Thermal decomposition of silica based surface compounds as a source of volatile standards. A new approach to the generation of gaseous calibration mixtures |
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Authors: | P Konieczka M Prokopowicz B Zygmunt J F Biernat J Namieśnik |
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Institution: | (1) Chemical Faculty, Technical University of Gdańsk, 11/12 Narutowicza St., 80-952 Gdańsk, Poland |
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Abstract: | A new approach to the preparation of standard gaseous mixtures based on thermal decomposition of surface compounds, has been
reviewed. The method is used to prepare standard mixtures containing volatile analytes such as thiols, isothiocyanates, carbon
monoxide, carbon dioxide, ammonia, amines, ethylene and methyl chloride. The method enables the preparation of the standard
immediately before a calibration step. It is specially useful for the generation of standard mixtures containing volatile,
malodorous, unstable and toxic compounds.
Presented at Balaton Symposium on High Performance Separation Methods, Siófok, Hungary, September 1–3, 1999 |
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Keywords: | Gas chroamtography Calibration Detection Modified silica gel Volatile mixtures |
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