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ISO 7529:2017

Nickel alloys - Determination of chromium content - Potentiometric titration method with ammonium iron(II) sulfate

standard by International Organization for Standardization , 10/01/2017

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Full Description

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.

 

Product Details

Edition:
2
Published:
10/01/2017
Number of Pages:
14
File Size:
1 file , 390 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 7529:2017

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    Nickel alloys - Determination of chromium content - Potentiometric titration method with ammonium iron(II) sulfate

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  2. ISO 7529:1989


    Nickel alloys - Determination of chromium content - Potentiometric titration method with ammonium iron(II) sulfate

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