ISO 16664:2004 describes factors that may influence the composition of pure gases and homogeneous gas mixtures used for calibration purposes. ISO 16664:2004 only applies to gases or gas mixtures that are within the "utilization period", and it pays special attention tostorage of calibration gas cylinders;calibration gas withdrawal from cylinders;transfer of calibration gas from cylinders to the point of calibration.ISO 16664:2004 also outlines a method of assessing the stability for a gas mixture, and takes into account the gas composition uncertainty given on the certificate and the users measurement uncertainty.
Document identifier
ISO 16664:2004
Title
Gas analysis - Handling of calibration gases and gas mixtures - Guidelines
ISO Category
TC 158: Analysis of gases
Publication date
2004-07-15
International Relationship
BS EN ISO 16664:2008 * BS EN ISO 16664:2008
History of version
ISO 16664:2017*ISO 16664:2004 * ISO 16664:2017 * ISO 16664:2004
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