Reference number
ISO 1067:1974
ISO 1067:1974
© ISO 2024
International Standard
ISO 1067:1974
Analysis of soaps — Determination of unsaponifiable, unsaponified and unsaponified saponifiable matter
Edition 1
1974-06
1974-06
ISO 1067:1974
5560
Published
(Edition 1, 1974)
This publication was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
The determination is carried out in the following way: Extraction of matter soluble in hexane, and titration of the free fatty acids removed, with potassium hydroxide solution. Saponification of products soluble in hexane neutralized in this way and extraction of the unsaponifiable matter by hexane.