ISO 1390-4:1977
The principle consists in the dissolution of a test portion in diluted standard volumetric sodium hydroxide solution and titration with standard volumetric sodium hydroxide solution in presence of phenolphthalein as indicator. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
71.080.50
Statut:
Annulée
Date de Publication:
1977-05-31
Numéro Standard:
ISO 1390-4:1977