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Norm
ISO 16664:2004
Ausgabedatum: 2004 07 08
Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
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 ...
Weiterlesen
ZURÜCKGEZOGEN
: 2017 05 18
Herausgeber:
International Organization for Standardization
Format:
Digital | 17 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
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 to
- storage 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.
ISO 16664:2017
2017 05 18
Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
Norm
ISO 16664:2004
2004 07 08
Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
Norm
↖
Norm
ISO 16664:2017
Ausgabedatum :
2017 05 18
Gas analysis — Handling of calibration gases and gas mixtures — Guidelines