ISO 7529:2017
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ISO 7529:2017
70202
недоступно на русском языке

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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.


Общая информация 

  •  : Опубликовано
     : 2017-10
  •  : 2
  •  : ISO/TC 155 Nickel and nickel alloys
  •  :
    77.120.40 Nickel, chromium and their alloys

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