ISO 5378:1978
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ISO 5378:1978
11420

Status : Published (Under review)

This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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Abstract

Destruction of organic matter by sulphuric acid in the presence of a compound catalyst (see ISO 1871), alkalization of the reaction products, destillation of the liberated ammonia and collection in a sulphuric acid solution, followed by measuring of the ammonium salt formed after the addition of Nessler reagent. The method is provided for contents less than 0,025 % (m/m). For greater contents, see ISO 3188.

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General information

  •  : Published
     : 1978-06
    : International Standard under systematic review [90.20]
  •  : 1
     : 3
  • ISO/TC 93
    67.180.20 
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