ISO 1241:1996 Preview
Essential oils -- Determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
Describes a method to evaluate the contents of free alcohols and total alcohols in essential oils by determination of ester values before and after acetylation by acetic anhydride in the presence of sodium acetate. Replaces the first edition.
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