Surface active agents — Determination of alkalinity — Titrimetric method
NORM herausgegeben am 1.2.1977
Designation standards: ISO 4315:1977
Publication date standards: 1.2.1977
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO
Description / Abstract: A clear solution of the substance is titrated with a standard volumetric hydrochloric acid solution, in the presence of methyl orange or bromophenol blue as indicator. This method is only applicable when so indicated in the specific standard for each product; in particular, it is not suitable for products containing soaps.