Determination of Insoluble Impurities in Oils and Fats | A Complete Procedure | ISO 663:2017

Poorly soluble impurities of oils or fats are those materials which remain insoluble and can be filtered off when the fat or oil is dissolved in petroleum ether. These materials are generally substances such as sand and soil, oxidized fatty acids, nitrogenous substances, mineral substances and carbohydrates. For Example: The oil may also contain resin or a portion of calcium or alkali soaps. This video represents a complete procedure for the determination of Insoluble Impurities in Oils and Fats.
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