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ISO 9647:1989

Steel and iron — Determination of vanadium content — Flame atomic absorption spectrometric method

Jun 29, 1989
95.99 Withdrawal of Standard   Feb 7, 2020

General information

95.99     Feb 7, 2020

ISO

ISO/TC 17/SC 1

International Standard

77.080.01  

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Scope

The method is applicable to vandadium contents between 0,005 % (m/m) and 1,0 % (m/m), provided that the tungsten content in the test portion is not higher than 10 mg and/or the titanium content is not higher than 5 mg. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. The annexes give additional information on the international co-operative tests, a graphical representation of precision data and procedures for the determination of instrumental criteria.

Life cycle

NOW

WITHDRAWN
ISO 9647:1989
95.99 Withdrawal of Standard
Feb 7, 2020

REVISED BY

PUBLISHED
ISO 9647:2020