Analysis of oils and fats - acid value, Chemistry

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Analysis of oils and fats - Acid value

It points out the amount of free acid present in the oil or fat. It is described as the number of milligrams of KOH needed to neutralize the free acid exists in one gram of the oil or fat. It is ascertained by dissolving a weighed quantity of oil / fat in alcohol & titrating it against a standard solution of KOH by using phenolphthalein like an indicator.

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