油籽 油的酸度测定

[中文适用范围]： 该方法包括将提取的油溶解在乙醚和乙醇的混合物中，用于测定种子的“油含量”（参见 ISO 659），然后使用乙醇氢氧化钾溶液滴定存在的游离脂肪酸。 它不适用于带有粘附棉短绒的棉籽，或棕榈果或橄榄果。 [外文原描述]： 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.