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1

Electronic Resource

An apparatus for manufacturing flexible fused silica columns for gas liquid chromatography. Part I. The drawing process (1982)

Pretorius, V. ; Desty, D. H.

Springer

Chromatographia 15 (1982), S. 569-574

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ISSN: 1612-1112

Keywords: Gas chromatography ; Capillary columns ; Fused silica capillaries ; Capillary drawing ; Glass capillaries

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary A compact description is given of a simple and reliable method of drawing flexible fused silica capillary for gas chromatography. Some emphasis is given to the fact that the practices of drawing optical fibres should not be followed too slavishly so this leads to unnecessarily complicated and expensive equipment. Satisfactory capillary column silica tubing can be made with straightfoward extension of the method developed earlier for drawing thick walled capillary. A simple glass/silica hydrogen oxygen diffusion flame bumer is described for fusing the preform tubing at the draw point which is enclosed by a water cooled glass enclosure to trap evaporated silica and maintain the operation under dust free conditions. The uniformity of the capillary diameter is better than 5% which is adequate for most gas chromatographic purposes. The second part of the paper yet to be published will cover the methods developed for coating the capillary both internally and externally.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02280376

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2

Electronic Resource

The activity of silaceous capillary columns for gas-liquid chromatography (1981)

Pretorius, Victor ; Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 38-39

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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

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040111

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3

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Open-pore silica foams: A new support for chromatography (1979)

Pretorius, Victor ; Davidtz, J. C. ; Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 2 (1979), S. 583-584

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ISSN: 0935-6304

Keywords: Chromatography GC, HPLC, HPTLC ; stationary phase support/system ; open-pore foams from silica: two methods developed ; temperature stability at least up to 1000° ; porosity up to 0.9 ; pore size can vary from approximately 20 micrometer to 5 mm ; pore size distribution remarkably narrow ; 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

URL: http://dx.doi.org/10.1002/jhrc.1240020912

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4

Electronic Resource

Hindelang 1981 (1981)

Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 489-490

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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

URL: http://dx.doi.org/10.1002/jhrc.1240041002

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5

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Deactivation of diatomaceous earth using pyrocarbon (1981)

Pretorius, V. ; Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 181-182

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ISSN: 0935-6304

Keywords: Gas chromatography ; Diatomaceous earth ; Deactivation ; Pyrocarbon ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040409

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6

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Deactivation of fused silica capillary columns with pyrocarbon (1981)

Pretorius, Victor ; Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 122-123

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ISSN: 0935-6304

Keywords: Gas chromatography ; Fused silica ; Capillary columns ; Deactivation ; Pyrocarbon ; 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

URL: http://dx.doi.org/10.1002/jhrc.1240040306

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7

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The science of chromatography. The A. J. P. Martin honorary symposium. Urbino, May 27-31, 1985 (1985)

Desty, D. H.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 8 (1985), S. 847-848

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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

URL: http://dx.doi.org/10.1002/jhrc.1240081208

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