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现行 ISO 729:1988
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Oilseeds — Determination of acidity of oils 油籽;油酸度的测定
发布日期: 1988-10-27
该方法包括将提取的油溶解在乙醚和乙醇的混合物中,以测定种子的“油含量”(见ISO 659),然后使用乙醇氢氧化钾溶液滴定存在的游离脂肪酸。本标准不适用于棉籽、棕榈或橄榄果实。
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.
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归口单位: ISO/TC 34/SC 2
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