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  • 1
    Electronic Resource
    Electronic Resource
    Mechanical anisotropy in drawn films of regenerated cellulose (1960)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 43 (1960), S. 257-266 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The Young's moduli of drawn films of regenerated cellulose have been measured for loads applied parallel and perpendicular to the direction of drawing. Measurements were made at 20°C. at 65 and 100% R. H. Two types of films were investigated; both had been prepared by saponification of cellulose acetate, but in one type (prestretched) the drawing process preceded the saponification, while in the other type (poststretched) the drawing process followed the saponification. For both types of films the Young's modulus parallel to the direction of drawing increased markedly with draw ratio, while that perpendicular to the direction of drawing decreased slightly. At the highest draw ratios the ratio of the two moduli was approximately 5 at 65% R. H. and 10 at 100% R. H. No large differences were found between the two types of film.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1960.1204314120
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  • 2
    Electronic Resource
    Electronic Resource
    Mass spectrometric analyses and characterization of Kepone in environmental and human samples (1978)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 5 (1978), S. 232-237 
    Details
    ISSN: 0306-042X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A specific portion of our environment has been contaminated with Kepone, or chlordecone. Additionally, some specific human exposures to high concentrations of Kepone have been confirmed. Gas chromatography mass spectrometry involving chemical ionization and high resolution mass spectrometry were used to detect, identify and confirm the presence of Kepone, Kepone photoproducts and a reduction product of Kepone in environmental and human samples. Field desorption, field ionization and electron impact mass spectrometric methods, as well as infrared and nuclear magnetic resonance techniques were used to characterize and identify Kepone hydrate and hemiketal in benzene and methanol solutions, respectively.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200050312
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    Paper (German National Licenses)
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