ISO 7660:1983
Essential oils; Determination of ester value of oils containing difficult-to-saponify esters

Standard No.

ISO 7660:1983

Release Date

1983

Published By

International Organization for Standardization (ISO)

Latest

ISO 7660:1983

Scope

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.

ISO 7660:1983 history

• 1983 ISO 7660:1983 Essential oils; Determination of ester value of oils containing difficult-to-saponify esters