ISO 9647:1989
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ISO 9647:1989
17486

Status : Withdrawn

This standard has been revised by ISO 9647:2020

Abstract

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.

General information

  •  : Withdrawn
     : 1989-06
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 8
  • ISO/TC 17/SC 1
    77.080.01 
  • RSS updates

Life cycle

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