Codes & Standards - Purchase
ISO 7660:1983
Essential oils -- Determination of ester value of oils containing difficult-to-saponify esters
SKU: iso_014479_106209
Published by ISO
Publication Year 1983
1 Edition
2 pages
Product Details
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.