ISO 6145-4:1986Withdrawn

Gas analysis — Preparation of calibration gas mixtures — Dynamic volumetric methods — Part 4: Continuous injection method

Analyse des gaz — Préparation des mélanges de gaz pour étalonnage — Méthodes volumétriques dynamiques — Partie 4: Méthode d'injection continue

This edition has been replaced by ISO 6145-4:2004.

Abstract / scope

Describes the preparation of mixtures by continuos mixing of volume flows, whereby the precision of the concentration of each constituent in the range from 10 000 to 10 ppm (V/V) amounts to about 5%. Includes a practical example with figure.

Life cycle

Replaced by

ISO 6145-4:2004PublishedGas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 4: Continuous syringe injection methodInternational Standard · Published 15 Jun 2004 · ISO/TC 158