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ISO 729:1988
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ISO 729:1988 Oilseeds -- Determination of acidity of oils
standard by International Organization for Standardization, 11/01/1988
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Full Description
The method consists in dissolving in a mixture of diethyl ether and ethanol of the oil extracted for the determination of the "oil contend" of the seeds (see ISO 659), and then titrating of the free fatty acids present using an ethanolic potassium hydroxide solution. It is not applicable to cotton seeds with adherent cotton linters, or to palm or olive fruits.