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Fats and oils
The Reichert value is a measure of the amount of volatile fatty acids that can be extracted from a fat sample through saponification. It is determined by saponifying 5 grams of fat with sodium hydroxide, distilling the fatty acids, titrating the distillate with sodium hydroxide, and using the titration results in a calculation to obtain the Reichert value. The higher the Reichert value, the more volatile fatty acids were present in the original fat sample.
