ISO 4314:1977

Surface active agents — Determination of free alkalinity or free acidity — Titrimetric method
The determination is carried out in the following way: Titration of an ethanolic or propanolic solution of the product with a standard volumetric potassium hydroxide or hydrochloric acid or sulphuric acid solution whichever is appropriate, in the presence of phenolphthalein as indicator.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
71.100.40
Statut:
Publié
Date de Publication:
1977-01-31
Numéro Standard:
ISO 4314:1977