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ISO 1067:1974
Analysis of soaps -- Determination of unsaponifiable, unsaponified and unsaponified saponifiable matter
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.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]
