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ISO 7529:2017-ed.2.0
Nickel alloys — Determination of chromium content — Potentiometric titration method with ammonium iron(II) sulfate
Translate name
STANDARD published on 27.10.2017
The information about the standard:
Designation standards: ISO 7529:2017-ed.2.0
Publication date standards: 27.10.2017
SKU: NS-800490
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 7529:2017-ed.2.0 :
Description / 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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