Status : Published (Under review)

This standard was last reviewed and confirmed in 2023. Therefore this version remains current.
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Abstract

ISO 7529:2017 specifies a potentiometric titration method for the determination of chromium content in nickel alloys which do not contain insoluble carbides and which have a vanadium content less than a mass fraction of 0,2 %. The method is applicable to chromium contents between a mass fraction of 5 % and a mass fraction of 22 %.

Vanadium, which can be present as an impurity in the alloy, will give a positive bias interference. However, at a level of a mass fraction of 0,2 %, this bias is equivalent to a mass fraction of 0,068 % chromium, which is about half the reproducibility of the method.

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General information

  • Status
     : Published
    Publication date
     : 2017-10
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 155
    ICS :
    77.120.40 
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