ISO 3947:1977

Published (Edition 1, 1977)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 3947:1977

CHF 42

Convert Swiss francs (CHF) to your currency

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).

General information

Status
: Published

Publication date
: 1977-08

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 2
Technical Committee :
ISO/TC 93

ICS :
67.180.20
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