International Standard
ISO 11400:2021
Nickel, ferronickels and nickel alloys — Determination of phosphorus content — Phosphovanadomolybdate spectrophotometric method
Reference number
ISO 11400:2021
Edition 2
2021-12
International Standard
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ISO 11400:2021
82717
Published (Edition 2, 2021)

ISO 11400:2021

ISO 11400:2021
82717
Language
Format
CHF 63
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Abstract

This document specifies a spectrophotometric method for the determination of the phosphorus content in nickel, ferronickels and nickel alloys between 0,000 5 % (by mass) and 0,05 % (by mass).

Arsenic, chromium, hafnium, niobium, silicon, tantalum, titanium and tungsten interfere, but the interferences can be avoided by complexation or volatilization (for chromium). The lowest phosphorus content [0,000 5 % (by mass)] can only be reached in samples with low contents of these interfering elements.

General information

  •  : Published
     : 2021-12
    : International Standard published [60.60]
  •  : 2
     : 9
  • ISO/TC 155
    77.100  77.120.40 
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