acid value

British  

noun

1. the number of milligrams of potassium hydroxide required to neutralize the free fatty acid in one gram of a fat, oil, resin, etc

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Example Sentences

A measure called free acid value indicates the real amount of acid your skin will be able to use but is almost never disclosed.

From New York Times

Many experts have claimed that the country’s current standard, which has nine test indicators, including acid value and pesticide residue, could easily allow illegal oil to slip through.

From New York Times

The Raw Linseed Oil which was used in these tests had an acid value of 1.84%, which is very low.

From Project Gutenberg

Those especially important are the acid value, percentage unsaponifiable matter and titer test.

From Project Gutenberg