Published
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.
PUBLISHED
SRPS ISO 1067:1993
90.20
Standard under periodical review
Apr 15, 2026
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