ISO 3947:1977
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ISO 3947:1977
9595

Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
en
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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Abstract

Hydrolysis of the product by boiling hydrochloric acid, and coagulation of the insoluble products by cooling. Separation by filtration, drying and isolation the wanted matter by solvent extraction. The method applies to contents less than 1,5 % (m/m).

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General information

  •  : Published
     : 1977-08
    : International Standard confirmed [90.93]
  •  : 1
     : 2
  • ISO/TC 93
    67.180.20 
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