Status : Published (Under review)
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
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Abstract

Specifies a direct and a indirect method. Describes the principle, the reagents, the apparatus, the sampling, the test procedures, the expression of results, and the contents of the test report. This second edition cancels and replaces the first edition (1977).

General information

  • Status
     : Published
    Publication date
     : 1991-12
    Stage
    : Close of review [90.60]
  • Edition
     : 2
    Number of pages
     : 9
  • Technical Committee :
    ISO/TC 126
    ICS :
    65.160 
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