This International Standard describes factors that may influence the composition of pure gases and homogeneous gas mixtures used for calibration purposes.This International Standard only applies to gases or gas mixtures that are within the “utilization period”; and it pays special attention to
EN ISO 16664:2008 history
2017EN ISO 16664:2017 Gas analysis - Handling of calibration gases and gas mixtures - Guidelines
2008EN ISO 16664:2008 Gas analysis - Handling of calibration gases and gas mixtures - Guidelines