Estimate Fatty Acid Calculation

To estimate the free fatty acid in feed.
For feed:
Weigh 20g of the feed and extract the oil from it using soxlet apparatus,then add 10ml of ethanol and mix properly,also add a drop of phenolpthalein and titre it against 0.143N sodium hydroxide.End point is the appearence of pale permanent pink colour.

Estimate Fatty Acid Calculator

Volume of sodium Hydroxide
Normality of sodium hydroxide
Equivalent factor
weight of sample
Percentage of free fatty acid
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Formula Used:

percentage of free fatty acid = ( V * N * F /weight of sample ) Where, V - Volume of sodium hydroxide N - Normality of sodium hydroxide F - Equivalent factor

This online calculator helps you dynamically to calculate the percentage of free fatty acid easily.

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