Essential oils — Determination of ester value of oils containing difficult-to-saponify esters
NORM herausgegeben am 1.10.1983
Designation standards: ISO 7660:1983
Publication date standards: 1.10.1983
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO
Description / Abstract: The method consists in hydrolysis of the esters present in a test portion by heating in the presence of a standard volumetric solution of potassium hydroxide in dimethylsulfoxide, and back-titration of the excess potassium hydroxide with a standard volumetric solution of sulfuric acid or hydrochloric acid.