ISO 7408:1983
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ISO 7408:1983
14137
Status : Published (Under review)
This standard was last reviewed and confirmed in 2023. Therefore this version remains current.
en
Format Language
std 1 40 PDF
std 2 40 Paper
  • CHF40
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Abstract

The method consists in entraining, by means of a strong current of air, of the ammonia from a moderately alkaline test mixture at ambient temperature into standard volumetric sulfuric acid solution, and back-titrating of the excess sulfuric acid solution with standard volumetric sodium hydroxide solution.

General information

  •  : Published
     : 1983-12
    : International Standard confirmed [90.93]
  •  : 1
     : 5
  • ISO/TC 134
    65.080 
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