Applicability of glass fiber as a support material for generation of gaseous standard mixtures using thermal decomposition of the surface compound. Calibration of analytical equipment
✍ Scribed by Anna Świtaj; Elżbieta Przyk; Jolanta Szczygelska-Tao; Jan Wójcik; Jan Franciszek Biernat; Jacek Namieśnik; Bogdan Zygmunt
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 327 KB
- Volume
- 26
- Category
- Article
- ISSN
- 1615-9306
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✦ Synopsis
Abstract
The use of glass fiber as a support material for a surface compound serving to generate gaseous standard mixtures of ethene is described. The technique is based on the process of thermal decomposition of the surface compound in a desorber connected on‐line via a multi‐port valve to the calibrated device. The surface compound undergoes thermal decomposition at 245°C, yielding known amounts of ethene. The method enables on‐line preparation of a standard mixture immediately before the calibration step. Consequently, it can be also applied for the generation of standard mixtures containing volatile, malodorous, unstable, and toxic compounds.