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Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures
This document specifies methods for:
NOTE 1 In principle, the method described in this document is also applicable to the analysis of (largely) unknown samples instead of prospective calibration gas mixtures (i.e. gas mixtures which are intended for use as calibration gas mixtures). Such applications, however, need appropriate care and consideration of additional uncertainty components, for example, concerning the effect of matrix differences between the reference gases used for calibration and the analysed sample.
NOTE 2 Comparison methods based on one- and two-point calibration are described in ISO 12963.
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