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ISO 6349:1979

Gas analysis — Preparation of calibration gas mixtures — Permeation method ISO 6349:1979

Publication date:   Dec 1, 1979

95.99 Withdrawal of Standard   Feb 7, 2002

General information

95.99 Withdrawal of Standard   Feb 7, 2002

ISO

ISO/TC 158 Analysis of gases

International Standard

71.040.40   Chemical analysis

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Scope

Describes the principles of the method, which is a continuous dynamic method, for the preparation of gas mixtures in which the components that is desired to use generally have a concentration between 10-9 and 10-5 (by volume) with an achievable accuracy of 2 % of the concentration of the component.

Life cycle

NOW

WITHDRAWN
ISO 6349:1979
95.99 Withdrawal of Standard
Feb 7, 2002

REVISED BY

PUBLISHED
ISO 6145-10:2002