Active standard | Published: 01/10/1983

ISO 7660:1983

Essential oils — Determination of ester value of oils containing difficult-to-saponify esters
(Huiles essentielles — Détermination de l´indice d´ester des huiles contenant des esters difficilement saponifiables)

Available languages: English, French

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Detail information

Designation: ISO 7660:1983

Publication date: 01/10/1983

Pages: 2

Country: International technical standard

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Anotation

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.

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