Status : Withdrawn

This standard has been revised by ISO 23776:2021

Abstract

The method consists in mineralizing of a test portion with sulphuric and nitrit acids, precipitating of the phosphorus as quinoline phosphomolybdate, drying and weighing of the precipitate. An alternative method of mineralizing is described in clause 10.

General information

  • Status
     : Withdrawn
    Publication date
     : 1974-04
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 34/SC 6
    ICS :
    67.120.10 
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