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  • Analytical Chemistry and Spectroscopy  (4,318)
  • Magnetism  (3,544)
  • EARTH RESOURCES AND REMOTE SENSING  (3,277)
  • Deutschland
  • 2010-2014  (3,551)
  • 1980-1984  (7,597)
  • 1925-1929
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Keywords
Language
Years
Year
  • 1
    Call number: IASS 15.89488
    Keywords: Deutschland ; Forschung und Entwicklung ; Vertragsrecht
    Type of Medium: Monograph available for loan
    Pages: 183 S. , Ill., graph. Darst. , 22 cm
    ISBN: 9783415046658 (Pp.)
    Language: German
    Branch Library: RIFS Library
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  • 2
    Call number: IASS 15.89620
    Keywords: Deutschland ; Großbritannien ; Klimaänderung ; Klimaschutz ; Technikbewertung ; Politische Auseinandersetzung
    Type of Medium: Monograph available for loan
    Pages: 263 S. , Ill., graph. Darst. , 210 mm x 148 mm, 351 g
    ISBN: 3658053658 (pbk.) , 9783658053659 (pbk.)
    Language: German
    Note: Univ., Diss.--Heidelberg, 2013
    Branch Library: RIFS Library
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  • 3
    Call number: IASS 15.89489
    Keywords: Deutschland ; Vergaberecht
    Type of Medium: Monograph available for loan
    Pages: CVII, 1774 S. , 240 mm x 160 mm
    ISBN: 9783406628597 (Gb.) , 3406628591
    Language: German
    Branch Library: RIFS Library
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  • 4
    Monograph available for loan
    Monograph available for loan
    Köln : Bundesanzeiger-Verl.
    Call number: IASS 15.89492
    Keywords: Deutschland ; Vergaberecht ; Einführung
    Type of Medium: Monograph available for loan
    Pages: 247 S. , graph. Darst
    ISBN: 3846200123 , 9783846200124 , 9783846200131 (electr.; eBook)
    Series Statement: Vergabe
    Language: German
    Branch Library: RIFS Library
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  • 5
    Publication Date: 2017-04-04
    Description: The complex magnetic and gravity anomaly fields of the Southern Tyrrhenian Sea provide a record of the complicated properties and evolution of the underlying crust. Geologic interpretation of these anomalies is hindered by the effects of anomaly superposition and source ambiguity inherent to potential field analysis. A common approach to minimizing interpretational ambiguities is to consider analyses of anomaly correlations. Spectral correlation filters are used to separate positively and negatively correlated anomaly features based on the correlation coefficient given by the cosine of the phase difference between common wavenumber components. This procedure is applied to reduced-to-pole magnetic and first vertical derivative gravity anomalies for mapping correlative crustal magnetization and density contrasts. Adding and subtracting the standardized outputs of the filters yield summed (SLFI) and differenced (DLFI) local favorability indices that, respectively highlight positive and negative feature correlations in the anomaly data sets. Correlative maxima mainly reflect volcanic structures, and secondarily intrusive bodies and pre- Tortonian carbonates of the Maghrebian chain and the basement rocks of the Sardinia eastern margin. Correlative minima mostly mark sediment-filled peri-Tyrrhenian structural basins related to the Pliocene extensional tectonics, and intra-slope marine depressions related to post-Pliocene and still-active compressional tectonics off Northern Sicily. Prominent inverse anomaly correlations mainly reflect crustal features around the southern margin of the Tyrrhenian Sea that include higher density, lower magnetization pelagic-to-terrigenous and flysch-type nappes of the Sicilian-Maghrebian chain, as well as lower density, higher magnetization sediments filling depressions of the chain, and syn-rift sediments of Southeastern Sardinia.
    Description: Published
    Description: 27-41
    Description: 3.2. Tettonica attiva
    Description: 3.4. Geomagnetismo
    Description: 5.7. Consulenze in favore di istituzioni nazionali e attività nell'ambito di trattati internazionali
    Description: JCR Journal
    Description: restricted
    Keywords: Magnetism ; Gravity ; Modelling ; Back-arc basin ; Volcanism ; Tectonics ; Tyrrhenian Sea ; 04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous ; 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies ; 04. Solid Earth::04.07. Tectonophysics::04.07.08. Volcanic arcs ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
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    Unknown
    Friedr. Vieweg & Sohn, Braunschweig
    In:  SUB Göttingen | 8 GEOGR PHYS 203
    Publication Date: 2024-04-30
    Description: Dieser Band enthält 72 Beiträge zu Themengebieten der Physik der festen Erde, des magnetischen und elektrischen Felds der Erde, der Physik der Atmosphäre sowie der Angewandten Geophysik, veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in den Jahren 1928.
    Description: 〈html〉 〈body〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0004.pdf"〉Titelseite〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0005.pdf"〉Gezeitenerscheinungen in der Atmosphäre〈/a〉〈br〉(Bartels, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0006.pdf"〉Erdmagnetische Säkularvariation und die Orientation alter Kultbauwerke〈/a〉〈br〉(Wehner, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0007.pdf"〉Über die Tiefenwirkung bei geoelektrischen Potentiallinienmethoden〈/a〉〈br〉(Hummel, J. N.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0008.pdf"〉Überblick über den Gang der magnetischen Vermessung der Ostsee〈/a〉〈br〉(v. Gernet, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0009.pdf"〉Die Wirkung der Kontinente und Ozeane auf die Differenz 〈i〉B – A〈/i〉 der Hauptträgheitsmomente der Erde im Äquator〈/a〉〈br〉(Gutenberg, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0011.pdf"〉Bemerkungen zu H. v. Iherings Kritik der Theorien der Kontinentverschiebungen und der Polwanderungen〈/a〉〈br〉(Wegener, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0012.pdf"〉Berichtigung〈/a〉〈br〉(Jung, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0013.pdf"〉Illustration〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0014.pdf"〉Über die Polhöhenschwankungen infolge der Lorentz-Kontraktion der Erde〈/a〉〈br〉(Courvoisier, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0015.pdf"〉Zum Uhrvergleich auf drahtlosem Wege nach der Koinzidenzhörmethode〈/a〉〈br〉(Martin, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0016.pdf"〉Physikalische Grundlagen einer neuen geoelektrischen Aufschlußmethode〈/a〉〈br〉(Hummel, J. N.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0017.pdf"〉Untersuchung der Potentialverteilung für einen speziellen Fall im Hinblick auf geoelektrische Potentiallinienverfahren〈/a〉〈br〉(Hummel, J. N.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0018.pdf"〉Mächtigkeitsbestimmung von Deckschichten über Spalten durch Radioaktivitätsmessungen〈/a〉〈br〉(Koenigsberger, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0019.pdf"〉Zur Frage der regionalen, magnetischen Anomalien Deutschlands, insbesondere derjenigen Norddeutschlands〈/a〉〈br〉(Reich, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0021.pdf"〉Untersuchungen über die seismische Bodenunruhe kurzer Periode〈/a〉〈br〉(Schneider, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0022.pdf"〉Zur Theorie elektrischer Bodenforschung〈/a〉〈br〉(Heine, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0023.pdf"〉Emil Wiechert †〈/a〉〈br〉(Angenheister, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0024.pdf"〉Die topographische Reduktion bei Drehwagenbeobachtungen〈/a〉〈br〉(Numerov, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0025.pdf"〉Angewandte Seismik (Zusammenfassender Bericht über Arbeiten von 1921 bis 1928)〈/a〉〈br〉(v. Schmidt, O.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0027.pdf"〉Le problème des microséismes à groupes〈/a〉〈br〉(Gherzi, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0028.pdf"〉Zur Empfindlichkeitsbestimmung von magnetischen Variometern und zur Eichung der magnetischen Felder von Spulen〈/a〉〈br〉(Koenigsberger, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0029.pdf"〉Die Schrumpfungsgeschwindigkeit des Erdradius aus astronomischen Beobachtungen〈/a〉〈br〉(Meyermann, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0030.pdf"〉Über eine Verbindung zwischen den mondentägigen und den sonnentägigen Variationen der magnetischen Deklination〈/a〉〈br〉(Egedal, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0031.pdf"〉Die Zone der anormalen Hörbarkeit im kleinen〈/a〉〈br〉(Hiller, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0032.pdf"〉Mitteilungen〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0033.pdf"〉Ein graphisches Verfahren für Drehwagenmessungen zur Berechnung der Geländewirkung und der Wirkung beliebig gestalteter Massenkörper〈/a〉〈br〉(Haalck, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0035.pdf"〉Beiträge zur geoelektrischen Methode〈/a〉〈br〉(Hummel, J. N.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0036.pdf"〉Zum Uhrvergleich auf drahtlosem Wege nach der Koinzidenzhörmethode〈/a〉〈br〉(Mahnkopf, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0037.pdf"〉Berichtigung〈/a〉〈br〉(Meyermann, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0038.pdf"〉Zur Frage nach der Ursache von lokalen gravimetrischen und erdmagnetischen Störungen und ihre wechselseitigen Beziehungen〈/a〉〈br〉(Haalck, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0040.pdf"〉Gemeinschaftliche Arbeit zwischen Seismologen und Baufachmann zur Verringerung von Erdbebenschäden〈/a〉〈br〉(Briske, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0042.pdf"〉Feldapparatur zur Registrierung von Zeitzeichen〈/a〉〈br〉(Köhler, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0043.pdf"〉Über die Schmidtsche Methode der Bestimmung der Parameter von Stabmagneten〈/a〉〈br〉(Bock, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0046.pdf"〉Referate der Vorträge auf der Tagung der Deutschen Geophysikalischen Gesellschaft in Hamburg vom 19. bis 21. September 1928〈/a〉〈br〉(Koenigsberger, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0048.pdf"〉Die Seismizität der Ozeane und Kontinente〈/a〉〈br〉(Tams, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0049.pdf"〉Bodenunruhe durch Brandung und durch Frost〈/a〉〈br〉(Gutenberg, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0050.pdf"〉Beitrag zur Schallausbreitung in der Atmospähre〈/a〉〈br〉(Kölzer, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0051.pdf"〉Das Magnetfeld einer elektrischen Strömung im anisotropen leitenden Halbraum〈/a〉〈br〉(Müller, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0052.pdf"〉Die geführten elastischen Zweimittel-Wellen〈/a〉〈br〉(Uller, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0053.pdf"〉Vom Jahre 1922 an im südlichen Norwegen aufgenommene Nordlichtphotogramme〈/a〉〈br〉(Störmer, C.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0055.pdf"〉Zur Frage nach der Ursache von lokalen gravimetrischen und erdmagnetischen Störungen und ihre wechselseitigen Beziehungen〈/a〉〈br〉(Haalck, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0057.pdf"〉Vorträge, gehalten auf der Tagung der Deutschen Geophysikalischen Gesellschaft vom 19. bis 21. September 1928〈/a〉〈br〉(Seilkopf, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0060.pdf"〉Statistische Mechanik der Atmosphäre〈/a〉〈br〉(Baur, F.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0061.pdf"〉Das Schwadorfer Beben vom 8. Oktober 1927〈/a〉〈br〉(Conrad, V.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0062.pdf"〉Das Periodogramm der internationalen erdmagnetischen Charakterzahlen〈/a〉〈br〉(Wenzel Pollak, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0064.pdf"〉Der Stand der erdmagnetischen Forschung〈/a〉〈br〉(Schmidt, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0065.pdf"〉Magnetische Anomalien im westlichen Mecklenburg〈/a〉〈br〉(Schuh, F.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0066.pdf"〉Bemerkungen zur numerischen und graphischen Behandlung der Krümmungsgröße〈/a〉〈br〉(Jung, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0067.pdf"〉Der Wasserhaushalt der Antarktis in der Eiszeit〈/a〉〈br〉(Meinardus, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0068.pdf"〉Übersicht über Neuerscheinungen〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0069.pdf"〉Vortrage, gehalten auf der Tagung der Deutschen Geophysikalischen Gesellschaft vom 19. bis 21. September 1928〈/a〉〈br〉(Tams, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0071.pdf"〉Über kartographische Darstellung der Seismizität〈/a〉〈br〉(Renquist, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0072.pdf"〉Ergebnisse von Pilotaufstiegen im Gebiete von Island〈/a〉〈br〉(Georgi, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0073.pdf"〉Referat über die Polarfront- und Äquatorialfronttheorien〈/a〉〈br〉(Stüve, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0074.pdf"〉Die Messung der Horizontal- und der Vertikalintensität mit dem Magnetron〈/a〉〈br〉(Rössiger, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0075.pdf"〉Untersuchungen über die lokalen Schwankungen des Erdpotentials〈/a〉〈br〉(Stoppel, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0076.pdf"〉Klima und Klimatafel von Hamburg〈/a〉〈br〉(Perlewitz, P.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0077.pdf"〉Neue Ergebnisse über die Struktur des Windes (Vorläufige Mitteilung)〈/a〉〈br〉(Schmidt, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0079.pdf"〉Lokale und regionale magnetische Anomalien in Schleswig-Holstein〈/a〉〈br〉(Reich, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0080.pdf"〉Die optische Station in Simferopol〈/a〉〈br〉(Tichanowsky, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0081.pdf"〉Das Strömungssystem der Luft über dem tropischen Atlantischen Ozean nach den Höhenwindmessungen der Meteor-Expedition〈/a〉〈br〉(Kuhlbrodt, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0082.pdf"〉Ergebnisse und Aufgaben der meteorologischen Strahlungsmessungen〈/a〉〈br〉(Süring, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0083.pdf"〉Ergebnisse von Drehwaagemessungen in Schlewig-Holstein〈/a〉〈br〉(Jung, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0085.pdf"〉Aufsätze〈/a〉〈br〉(Lotze, F., Brockamp, B., Haalck, H., Myrbach, O., Whipple, Cabannes, J., Dufay, J., Gherzi, E., Pochettino, A., Rostagni, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0096.pdf"〉Mitteilungen〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0097.pdf"〉Autorenverzeichnis〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0098.pdf"〉Sachverzeichnis〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0099.pdf"〉Literaturverzeichnis〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0100.pdf"〉Geophysikalische Berichte〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN101433392X_0004/LOG_0101.pdf"〉Register der Goephysikalische Berichte〈/a〉〈/li〉 〈/body〉 〈/html〉
    Description: research
    Description: DGG, DFG, SUB Göttingen
    Keywords: ddc:550 ; Physische Geografie ; Atmosphäre ; Aurora ; Deutschland ; Elektromagnetismus ; Erdbeben ; Geoelektrik ; Geomagnetismus ; Gravimetrie ; Gravitation ; Island ; Klima ; Meteorologie ; Norwegen ; Polwanderung ; Seismik ; Tektonik ; Zeit
    Language: German , English , French
    Type: doc-type:book
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 113 (1982), S. 275-284 
    ISSN: 1434-4475
    Keywords: Ferromagnetic properties ; Heusler alloys ; Magnetism ; Paramagnetic properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung QuarternäreHeusler-Legierungen der Zusammensetzung (Ni1−x Cu x )2MnSn wurden über den Konzentrationsbereichx=0–1 hergestellt. Alle waren einphasig und zeigten L 21-Struktur. Magnetische Messungen wurden sowohl im ferromagnetischen als auch im paramagnetischen Bereich durchgeführt. Sie ergaben für Mn, das einzige Atom das in dieser Art vonHeusler-Legierungen ein Moment zeigt, den üblichen Wert von ca. 4 µB und ein ihm entsprechendes μeff im paramagnetischen Bereich. Ein flaches Minimum derCurietemperatur kann mit Hilfe von di-dl-Wechselwirkung erklärt werden.
    Notes: Abstract QuarternaryHeusler alloys of composition (Ni1−x Cu x )2MnSn were prepared withx=0–1. They were all single phased with L21 structure. Alloys were investigated by magnetic measurements. For Mn, the only atom carrying a moment in this kind ofHeusler alloys, the usual value (∼4 µB) was found and a corresponding μeff in the paramagnetic region. A shallow minimum of theCurie temperatures can be explained on the basis of di-dl interaction.
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    Pure and applied geophysics 120 (1982), S. 375-388 
    ISSN: 1420-9136
    Keywords: Gravity ; Magnetism ; Scotland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract From our interpretation of the Bouguer gravity and aeromagnetic anomalies in south-east Scotland, we conclude that a massive granite batholith underlies the greater part of the eastern Southern Uplands. The granite model which we computed earlier from gravity anomalies in the Tweeddale area fits the observed magnetic anomalies closely, if a normal magnetization of 0.095 A m−1 is assigned, similar to values found for exposed local granites. Further gravity modelling shows that, apart from the Tweeddale boss, the granite shallows to less than 1 km near Lammer Law in East Lothian and extends north of the Lammermuir Fault. A model for the East Lothian volcanics was computed from their aeromagnetic anomalies, then their gravitational effect was combined with that estimated for the Devonian and Carboniferous sediments and the result stripped off the observed gravity field. The residual gravity anomalies were used to generate a two-dimensional model for the granite north of the Lammermuir Fault. The expected tectonic consequences of a massive granite batholith in the eastern Southern Uplands are compared with the known development of faults and sedimentary basins around its margins.
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    Journal of High Resolution Chromatography 3 (1980), S. 89-90 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Histamine TMS derivatives, complete separation, 2 minutes ; NPD used for quantitation down to 20 pg ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Complete separation of the TMS derivatives of histamine, 1-methyl histamine and 3-methyl histamine was achieved in two minutes in a 7 m × 0.25 mm column coated with SP 2250. Using NPD, histamine was detectable at levels as low as 20 pg. This offers a rapid, sensitive procedure with potential for clinical diagnosis and food analysis.
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    Journal of High Resolution Chromatography 3 (1980), S. 301-302 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Polychlorinated biphenyls ; Liquid crystal phase ; Choice of stationary phases for analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 305-306 
    ISSN: 0935-6304
    Keywords: Liquid chromatography, micro HPLC ; Temperature effect ; Cooled column ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 313-314 
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Broadening effect ; Connecting tube ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980) 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 337-344 
    ISSN: 0935-6304
    Keywords: Gas Chromatography ; Capillary, glass ; Surface deactivation ; High temperature silylation ; Applications ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: This paper describes the results of a study on the deactivation of the surface of glass capillary columns by high temperature silylation (HTS). The different steps, leaching, washing, dehydration and HTS were optimized. A practical procedure yielding a high percentage of very good columns is given. The influence of leaching and HTS on the temperature stability and coating efficiency of capillary columns coated with OV-1 was studied. The inertness of the glass surface after HTS is demonstrated by several examples.
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    Journal of High Resolution Chromatography 3 (1980), S. 351-352 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Injector ; Concentrator ; Electrically heated inlet ; Capillary columns ; Vapor sampler ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 355-356 
    ISSN: 0935-6304
    Keywords: Gas-liquid chromatography (GLC) ; Open tubular glass capillary columns ; Blended stationary phases ; Liquid crystals ; Polycyclic aromatic hydrocarbons (PAH) ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 362-370 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 371-371 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 381-394 
    ISSN: 0935-6304
    Keywords: Gas-liquid chromatography ; Capillary columns ; Steroids, prostaglandins, drugs ; Metabolites ; Derivatization ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: This article describes the development of the application of capillary column GLC methods to steroids, prostaglandins and especially drugs and their metabolites in samples of biological origin. The wide variety - in terms of structures and pharmacological properties - of drugs now analyzed by capillary column GLC is made evident. Reasons for use of capillary rather than packed columns are given. The frequent use of and need for derivatization procedures prior to chromatography is emphasized. A bibliography of 83 references is included in the manuscript.
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    Journal of High Resolution Chromatography 4 (1981), S. 11-16 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; SCOT column ; Coating, liquid phase ; Single-step coating ; Phenols ; Phenolic acids ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A single-step coating method for the preparation of glass capillary SCOT columns is described. It is reproducible and less time-consuming than the well-known two-step coating procedures. Other methods attempted are discussed briefly. Both the flame ionization and electron capture detectors could be used in conjunction with temperature programming. The separations achieved with an “activity mixture”, phenols and phenolic acids, illustrate the resolution obtained. The columns are suitable for quantitative determinations and a comparison is made with a conventional packed column.
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    Journal of High Resolution Chromatography 4 (1981), S. 38-39 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Fused silica capillary column ; Activity ; Hydroxylated surfaces ; Dehydroxylated surfaces ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981) 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 4 (1981), S. 83-85 
    ISSN: 0935-6304
    Keywords: HPLC ; Nanoliter volume detector ; 1.5 × 10-5 AU noise (0.1 μl 0.1% benzene in methanol) ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 95-96 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 4 (1981), S. 115-120 
    ISSN: 0935-6304
    Keywords: TLC ; Gradient and continuous development ; Amino acids ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Thin-layer gradient elution chromatography is a convenient technique for separation of very complicated mixtures; in some cases the gradient technique can be replaced by continuous development. The two techniques are compared in practice by using them to separate a mixture of dabsyl derivatives of amino acids.
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    Journal of High Resolution Chromatography 4 (1981), S. 123-124 
    ISSN: 0935-6304
    Keywords: (GC)2 in short capillaries ; Liquid crystalline stationary phase ; Supercooled temperature range ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 132-134 
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Ion-pair reversed-phase HPLC ; Chlorhexidine in pharmaceutical preparations ; Quantitation within 0.66-3.41% relative standard deviation ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 142-142 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 33-34 
    ISSN: 0935-6304
    Keywords: HPLC bonded phases ; Picramidopropyl silica ; Charge transfer HPLC ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 62-68 
    ISSN: 0935-6304
    Keywords: Gas Chromatography ; Adsorption on glass surface, no peak shade deformation ; Radioactivity, test to show systematic loss by sorption ; Phenytoin ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The labelled drug [14C] phenytoin was injected into an all-glass chromatographic system to determine adsorption on various system parts. It appeared that 10 to 20% of the amount injected did not elute. Severity of adsorption as measured from lasting radioactivity was not anticipated from peak shape or calibration curves.
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    Journal of High Resolution Chromatography 3 (1980), S. 86-86 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Recycle chromatography ; Multiple-pass chromatography ; Thermal focussing ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 146-146 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Cold trap heating ; Thermal focussing ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 152-152 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 11-15 
    ISSN: 0935-6304
    Keywords: GC instrument conversion ; All-glass GC-2 system ; Phenols ; Hydrocarbons ; Terpenoids ; Linear response ; Reproducibility ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Two regular GC instruments were modified with injection port liners, split-mode injection systems, pressure regulators, effluent traps and needle valves to produce an all-glass GC-2 system. This simple and inexpensive system allows the quantitative analyses of phenols, hydrocarbons, acids, sterols, terpenoids, and alkaloids with excellent reproducibility and linear response. Even more impressive was its ability to analyze a C45-terpenoid alcohol, solanesol, as its TMS-derivative (M.W. 702).
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    Journal of High Resolution Chromatography 3 (1980), S. 28-28 
    ISSN: 0935-6304
    Keywords: Chemical reaction chromatographic analysis ; Two six-port valves for reaction analysis ; Two six-port valves connection ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 25-27 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Instrumental modification to multidimensional separation ; Application with packed columns on complex sample composition ; Indene to pyrene range in coal tar ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 199-204 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 206-207 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 79-84 
    ISSN: 0935-6304
    Keywords: Thin-layer chromatography, TLC ; Mobile phase parameters and RM-value ; Influence of surface of adsorbed molecules ; Non-active binary mobile phases ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The purpose of the studies being carried out is to find some regularities of a general character which determine the relationship between the structures of the chromatographed substances and the composition of the mobile phase, i.e., between the log of the partition coefficient of the sample (Az), the K1-values which characterize the adsorption equilibrium of component “1” in a given chromatographic system, the structures of the mobile phase components and the structures of the substances being chromatographed. This paper deals with the relationship between the Az and K1 parameters and the structure of naphthalene and a number of its derivatives. It has been shown that there is a close relationship between the kind, size, frequency and site of the substituent on the one hand and the Az and K1 values on the other. In order to eliminate the possibility of unwanted side effects, the investigations were carried exclusively using non-active binary mobile phases of the type N + N or N + /B/. From these investigations, a comparison between the parameter Az and the surface of adsorbed molecules (As) was also possible.
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    Journal of High Resolution Chromatography 3 (1980), S. 91-91 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Static coating technique details ; End-sealing without failure, under ethanol ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 95-100 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 101-101 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 133-142 
    ISSN: 0935-6304
    Keywords: HPLC, UV and EC ; Detector response ratios ; Impurities in Phenol ; Identification using HPLC ; Hydroquinone ; Catechol ; Inactivation of RNA ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Several impurities which were suspected to be present in commercial reagent-grade phenol were separated using high performance liquid chromatography following sample concentration by steam distillation. A reverse-phase, microparticulate column and 5 solvent systems containing 5% to 25% methanol in 0.05 M phosphoric acid were used. A variable wavelength ultraviolet detector and an electrochemical detector were connected in series, in that order, to the column. Capacity factors (ḱ) for pyrogallol, hydroquinone, resorcinol, catechol, orcinol and phenol were determined in the 5 solvent systems and compared to ḱ-values of impurities present in the residue remaining from the steam distillation of phenol. Co-chromatography of standards suspected as contaminants and possessing ḱ-values similar to those of impurities were carried out in 3 solvent systems to confirm identical retention characteristics. Detector response ratios of contaminants and suspected standards, using various wavelengths and voltage potential settings, were utilized as major identification parameters. Two of the several contaminants separated were identified as hydroquinone and catechol.
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    Journal of High Resolution Chromatography 3 (1980), S. 149-150 
    ISSN: 0935-6304
    Keywords: HPTLC ; Rel. quantitative alkaloid determination ; 5% standard deviation in adsorption mode ; 3% standard deviation in fluorescence mode ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A direct densitometric method for the quantitative measurement of reserpine and ajmaline in whole roots and bark of roots of Rauwolfia Vomitoria, after extraction and separation by thin-layer chromatography, is described. The emission and excitation spectra of the reserpine and the absorption spectrum of the ajmaline were scanned. The linear range between peak area and concentration is given.
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    Journal of High Resolution Chromatography 3 (1980), S. 189-190 
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    Keywords: Thin-layer chromatography ; Circular mode ; Partially alkylated reversed-phases plates ; Water concentration in mobile phase of great influence ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 195-195 
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    Keywords: Gas chromatography ; Columns, packed ; High resolution ; Packing apparatus ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 411-412 
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    Keywords: Gas chromatography ; Capillary, fused silica ; Chemical bonding - cross-linking ; Apolar columns ; Preparation ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 419-421 
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    Keywords: HPLC ; Extraction fluorimetry ; Canrenone ; Serum drug levels ; Comparison ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 429-430 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 266-266 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 273-276 
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Packed columns ; Coupling of long, microbore, packed columns ; Separation efficiencies, wide choice with same HPLC system ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Coupling several 25 cm × 2 mm ID analytical columns together is a simple and easy way to achieve high resolution HPLC (20,000-50,000 plates). How to do this with commercially available instruments, injectors and detectors is described in the paper.An attractive feature of the long narrow column approach is that the same HPLC set-up can be used for both fast-low and slow-high efficiency separations.High efficiency is essential for really complex natural mixtures, e.g. the hop and beer bitter acids. Some examples are shown.
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    Journal of High Resolution Chromatography 3 (1980), S. 298-298 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Closing technique for static coating ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 302-302 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary ; Fitting silica capillary columns ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 4 (1981), S. 500-507 
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Weak anion exchanger ; Octadecyl bonded packing ; Urine analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The analysis of ultraviolet-absorbing constituents in urine was undertaken by anion-exchange and reversed-phase liquid chromatography. A newly developed anion exchanger (TSK-IEX540 DEAE) was used for ion-exchange mode liquid chromatography and its high polarity and physical strength greatly reduced the analysis time. Up to 80 peaks were resolved within 30 min. Hydrophobicity values were used to predict the retention times of acids in reversed-phase mode liquid chromatography.
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    Journal of High Resolution Chromatography 4 (1981), S. 523-524 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Split injection ; Injection time influence ; PAH ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 533-534 
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    Keywords: Gas chromatography ; Capillary, glass ; End-sealing method for static coating ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 532-533 
    ISSN: 0935-6304
    Keywords: Micro high performance liquid chromatography, MHPLC ; Fourier transform infrared spectrometry, FT- IR ; Combination of MHPLC and FT-IR ; KBr buffer memory technique ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 360-361 
    ISSN: 0935-6304
    Keywords: Standard purging device for soil volatiles ; Sample preparation procedure ; Deuterated internal standard control ; Computerized GC/MS identification ; Analysis within one hour, low ppb sensitivity ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 291-296 
    ISSN: 0935-6304
    Keywords: Thin-layer chromatography, TLC ; Adsorption chromatography ; Saturation TLC chromatographic chambers ; TLC parameters ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The influence of chamber saturation in thin-layer chromatography on theoretical and experimental parameters of mixture separations were examined. Five different types of chambers for development of chromatograms were taken into consideration. The relation found experimentally differed widely from that calculated using Ościk's equation for different method of carrying out of the chromatographic process. The investigations presented here show the possibility of choosing chromatographic chambers which are optimum for theoretical studies on the process of thin-layer chromatography.
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    Journal of High Resolution Chromatography 3 (1980), S. 303-305 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary columns ; Surface modification ; Sulfur dioxide treatment ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 415-416 
    ISSN: 0935-6304
    Keywords: Gas chromatography/mass spectrometry ; Volatile sulfur compounds from waste water ; Adsorption of air samples on tenax GC ; Mechanism of corrosion of concrete ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 423-424 
    ISSN: 0935-6304
    Keywords: High performance thin-layer chromatography (HPTLC) ; Butyrophenones ; Fluorescence ; Flushing gases ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980) 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 5 (1982), S. 3-12 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 5 (1982), S. 31-37 
    ISSN: 0935-6304
    Keywords: Gas-liquid chromatography ; Plasma determination ; Midazolam ; Pharmacokinetic study ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A sensitive gas liquid chromatographic (GLC) assay was developed for plasma determinations of 8-chloro-6-(2′ -fluorophenyl)-1-methyl-4H-imidazo[1,5 α][1,4]benzodiazepine (compound I) and its hydroxymethylimidazo metabolite (compound II). The internal standards used were 8-chloro-6-(2′ -chlorophenyl)-1 -methyl-4H-imidazo[1,5 α][1,4]benzodiazepine (compound VI) and 7-chloro-5-(2′ -fluorophenyl)-1, 3-dihydro-1-(hydroxyethyl)-2H-1,4-benzodiazepin-2-one (compound VII) for compounds I and II, respectively. Following extraction, and silylation for compound II, compounds I and II were analyzed by GLC using a glass column packed with 5% OV-101 on Gas-Chrom Q, and a 63Ni electron-capture detector. The GLC method was validated by a CI-GC/MS technique. The detection limit of the assay is approximately 4-5 ng/ml for compound I and 3 ng/ml for compound II. The method was used in comparative pharmacokinetic studies of the distribution of the two compounds in arterial and venous blood.
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    Journal of High Resolution Chromatography 3 (1980), S. 473-474 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Complex wax ester mixtures ; Resolution of components by total carbon number and by degree of unsaturation ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A glass capillary GC method providing high resolution analysis of complex wax ester mixtures is described. The two key parameters needed for evaluating a wax ester mixture for industrial utility - the total carbon chain length and the number of carbon-carbon double bonds present in each component - are simply and rapidly obtained by this method.
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    Journal of High Resolution Chromatography 3 (1980), S. 372-375 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980) 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 405-410 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Determination of adsorption ; Irreversible adsorption on glass columns made visible ; Fluorescent compound PMBF2 ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: PMBF2, a pyrromethene pigment, can be used in gas chromatography. Because of its fluorescence, adsorption sites on glass columns and connections can be traced in situ. The compound can be employed to check the inertness of glass surfaces after deactivation procedures. Some applications are described.
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    Journal of High Resolution Chromatography 3 (1980), S. 486-486 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 497-502 
    ISSN: 0935-6304
    Keywords: Capillary gas chromatography ; Diethylbenzenes analysis, C10 aromatics analysis ; Retention indices ; Carbowax-1540 ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A capillary gas chromatographic method for the quantitative analysis of diethylbenzene fractions is described. Estimation of ortho-, meta- and para-isomers and other C9 and C10 aromatic impurities is covered. The conditions developed involve the use of a capillary column of Carbowax-1540 (300 feet × 0.01 inch) under isothermal operation. The retention index data for a number of aromatics are presented at four temperatures (90, 100, 110 and 120°C). The method offers a good choice for any level of concentration both for isomers and impurities commonly encountered within a reasonable analysis time.
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    Keywords: Gas chromatography ; Capillary, glass ; High temperature silylation ; C2-C6 fatty acids ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 525-526 
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    Keywords: Gas chromatography ; Capillary, glass ; Static coating ; Filling the column by pressure, not by vacuum ; Device for filling by pressure ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 485-485 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 487-490 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 503-506 
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Group-type analysis ; Gasoline range materials ; Reactivated column ; Low temperature column ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Hydrocarbon group-type analysis of gasoline-range materials is a very important method for evaluating feedstocks and products in the petroleum industry. In this paper the method of group-type analysis of gasoline-range materials by high performance liquid chromatography is investigated.The results demonstrte that the separation of saturates and olefins can be accomplished with reactivated and cooled columns. The low-temperature columns and the use of n-hexane as an eluent play a particularly important role in the improvement of the separation.
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    Journal of High Resolution Chromatography 3 (1980), S. 507-515 
    ISSN: 0935-6304
    Keywords: Constant volume Varigrad ; Hydrostatic Varigrad ; Incremental method of gradient elution ; Modified incremental method, advantages of Poisson distribution ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Different methods for producing a pre-assigned gradient in liquid chromatography are presented. A systematic approach to the calculations involved is given. The derived equations are mostly Poisson and Poisson summation distributions which are tabulated in the literature. The incremental method of gradient elution developed by Scott has been modified. In the modified apparatus two mixing chambers are used instead of one. This leads to an appreciable decrease in the number of reservoirs needed for the same precision in fitting a desired gradient. The application of the derived equations, together with other Varigrad modifications, will be given in Part 2 of this paper (to be published shortly in this Journal).
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    Journal of High Resolution Chromatography 3 (1980), S. 521-522 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Computerized gas chromatography/mass spectrometry ; Capillary, OV-73 fused silica ; On-column injection ; Alkyl porphyrins ; Bis(trimethylsiloxy)silicon(IV) derivatives ; Fused silica as a GC/MS interface ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 534-534 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980) 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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  • 83
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Electron capture detection ; Analysis of carboxylic acids and phenols in water ; Extractive alkylation ; Pentafluorobenzyl derivatives ; Steam condensate and domestic sewage effluent ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A method is presented for the simultaneous determination of a wide range of carboxylic acids and phenols in water. Extractive alkylation is used with the tetrabutylammonium ion as counter ion and pentafluorobenzylbromide as alkylating agent. Extracts are analyzed by glass capillary gas chromatography and electron capture detection. Using one ml of water sample, the detection limit lies in the range of 1-10 μg/l. Application has been made to the analysis of steam condensate and domestic sewage effluent.
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    Journal of High Resolution Chromatography 3 (1980), S. 586-587 
    ISSN: 0935-6304
    Keywords: Multicomponent tablets ; Precipitation of proteases ; Sephadex G 15 ; Gel electrophoresis ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 591-592 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 5 (1982), S. 218-220 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 3 (1980), S. 627-633 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Vaporizing injectors ; Dicrimination of high-boiling components ; Elution out of the syringe needle ; “Hot needle”, “solvent flush” techniques ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Unequal elution of sample components of different volatility out of the syringe needle is one of the major causes for discrimination occuring during the injection, i.e. the phenomena which results in peak areas for the high boiling compounds which are too small compared with the volatiles. This problem, associated with all vaporizing injectors that are used with syringes, can be minimized by careful choice of the needle handling technique. Various methods are compared experimentally. The “solvent flush” method is discussed in detail and demonstrated to be ineffective for reducing losses in the syringe needle. The “hot needle” technique, where the empty needle is preheated in the injector before pushing the plunger, was found to be superior or equal to an improved “solvent flush” method (which included preheating the needle and omitting the air plug between sample and flushing solvent. Generally it was found that the discrimination due to the syringe needle was reduced for larger sample volumes, although no further changes were noticed when these exceeded 2.5 to 3μl.
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    Journal of High Resolution Chromatography 3 (1980), S. 641-642 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Polar open-tubular columns ; Silar 10CP, 0.2% ; Recoating of capillary columns to restore efficiency ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 643-644 
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    Keywords: GC of continuous and discontinuous reactions with wide variation of experimental conditions ; Sampling device for reactions up to 350°C and from 350° to 1100°C ; Six-way switching valve ; Versatile injection system ; System applicable to pyrolysis, catalysis, subtractions, concentration, derivatisation and solid injection ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 4 (1981), S. 421-422 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary columns ; Unstable flavor compound ; Comparison of fused silica, glass, and metal columns ; Chemistry ; Analytical Chemistry and Spectroscopy
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    Topics: Chemistry and Pharmacology
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    Journal of High Resolution Chromatography 3 (1980), S. 655-655 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 4 (1981), S. 42-42 
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    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
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    Journal of High Resolution Chromatography 4 (1981), S. 49-53 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Glass capillary ; Routine analysis of C1-C6 carboxylic acids ; Animal wastes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The C1 -C6 fatty acids present in various types of heterogeneous animal wastes were isolated by steam distillation and determined as benzyl esters by high resolution gas chromatography. Glass capillary columns, deactivated with barium carbonate and coated with UCON HB 5100, allowed the analysis of benzyl formate, acetate, propionate, isobutyrate, butyrate, isovalerate, valerate, and caproate in less than 20 minutes. Recovery tests, performed on more than 50 different samples, indicated a benzylation yield and an overall efficiency higher than 99%, with a standard deviation of 2.6% (C5) to 6.0% (C1). The absolute detection limit ranged from 0.3 picomole (caproic acid) to 1.0 picomole (formic acid).
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    Journal of High Resolution Chromatography 4 (1981), S. 60-69 
    ISSN: 0935-6304
    Keywords: GC/FT-IR ; Environmental pollutants analysis ; Nondestructive detection ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An integrated gas chromatography/Fourier transform infrared spectrometry (GC/FT-IR) system developed for the analysis of environmental pollutants is described. The versatility of the system allows the utilization of many different techniques of sample introduction and manipulation during analysis. The sample can be introduced by direct injection or thermal desorption from an adsorbent cartridge, and can then be separated on one of two capillary columns and detected by FT-IR or an FID. Cold traps and collection cartridges incorporated in the system permit recovery and additional fractionation of samples. Recovered sample and sample fractions can then be re-analyzed by GC/FT-IR or subsequently analyzed by GC/MS or other methods.
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  • 95
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 5 (1982), S. 349-354 
    ISSN: 0935-6304
    Keywords: Gas chromatography, capillary ; Persilylated, apolar columns ; Immobilized coatings ; Determination of column bleeding ; Re-silylation of fresh and used columns ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The bleeding of apolar high temperature columns may well be the critical factor limiting their applicability for GC/MS-coupling, and for high temperature analyses. Therefore, a bleeding determination procedure has been designed as a basis for a systematic approach to the production of low-bleed columns. Re-silylation is a traditional method of reducing column bleeding. Increased efficiency of re-silylation becomes feasible with immoblized coatings. Experience gained so far shows that resilylation of immoblized coatings may indeed result in the expected strongly reduced bleed rates and in improved overall column quality. Re-silylation may also contribute to column washing by enhancing the solubility of adsorbed contaminants.
    Additional Material: 3 Ill.
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  • 96
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 495-499 
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary column, fused silica ; Mass spectrometry ; Interface, direct coupling ; On-column injection ; Aflatoxin B1 ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A novel fused silica capillary GC/MS direct coupling is described which ensures quantitative transfer of sample from the point of injection to the ion source of a mass spectrometer without contacting any surfaces other than the column wall. This device permits GC analysis of highly labile substances. Aflatoxin B1, previously considered unassayable by GC, can now be determined by GC/MS.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 97
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 515-518 
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Size exclusion chromatography ; Pore size determination ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Simultaneous use of large standard molecules and small particles of the product examined gives rise to errors in pore size determination by size exclusion chromatography. This error is calculated for packings of spherical particles, thus making corrections possible.
    Additional Material: 2 Ill.
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  • 98
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 136-137 
    ISSN: 0935-6304
    Keywords: TLC, HPLTC ; Quantitation of PGE1 in organic solvents ; PGE1 concentration from 0.05 to 1.0 mg/ml ; Overall standard deviation 3.6% ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Direct in situ determination of PGE1 in dioxane/water (1:1) at concentrations between 50 μg/ml and 1 mg/ml is described. HPTLC of PGE1 was carried out on HPTLC Kieselgel 60 o.F. plates; application (200 nl) was with a Nano-Appllcator and ethyl acetate/formic acid (400:5, v/v) served as mobile phase. The spots were located by dipping the plates into a 3% cupric acetate solution in 15% aqueous phosphoric acid, followed by heating at 120°C for 15 min. The plates were then evaluated directly at λ = 345 nm by chromatogram spectrometry. The coefficient of variation is 3.6%.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 99
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 530-531 
    ISSN: 0935-6304
    Keywords: Micro-HPLC ; Post-column colorimetric detection has advantages over radiometric methods ; Separation of 15 rare earth metals ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 100
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 143-145 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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