Abstract Preview

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

  • Status :  Published
    Publication date : 2021-12
  • Edition : 2
    Number of pages : 9
  • :
    ISO/TC 155
    Nickel and nickel alloys
  • 77.100
    Ferroalloys
    77.120.40
    Nickel, chromium and their alloys

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