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Digitale Medien

A problem in etching Pyrex glass capillary columns (1979)

Clarke, J. F. Gates

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 2 (1979), S. 357-360

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Details

ISSN: 0935-6304

Schlagwort(e): Gas chromatography ; Capillary, glass ; Whisker production ; Violent explosion at the „ether etching“ step ; Modification of pyrex glass etching leads to more uniform whiskers in size and shaep, simple, safe ; Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Recent attempts to reproduce a literature method for etching of Pyrex glass capillary columns with „etching ether“ resulted in reduction of the columns to dust through a violent explosion. Although modifications of the method produced etched columns, we found that less than satisfactory results were achieved. Introduction of etching ether by simply coating the column with a thin film of the ether produced an evenly etched column with well defined whiskers. Several observations made during the etching process will also be discussed.

Zusätzliches Material: 3 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jhrc.1240020618

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