ISO 6374:1981
ISO 6374:1981

Status : Published (Under review)

This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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Specifies a method based on the fusion of a test portion with sodium carbonate and boric acid and dissolution in perchloric acid solution, followed by formation of the ammonium molybdophosphate complex and extraction of the complex with isobutyl acetate. The solution is absorbed into an acetylene/dinitrogen monoxide flame and the molybdenum, and hence the phosphorus, is determined by measuring the absorbance of the 379,8 nm line emitted by a molybdenum hollow-cathode lamp.

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General information

  •  : Published
     : 1981-10
    : Close of review [90.60]
  •  : 1
     : 4
  • ISO/TC 226
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