Published
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.
PUBLISHED
ISO 7660:1983
90.93
Standard confirmed
Mar 10, 2023
Essential oils — Determination of ester value of oils containing difficult-to-saponify esters
90.93 Standard confirmed