ISO 3947:1977
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).
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
67.180.20
Statut:
Publié
Date de Publication:
1977-07-31
Numéro Standard:
ISO 3947:1977