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Acid value

a number expressing the acidity of a substance, equal to the number of milligrams of potassium hydroxide needed to neutralize the free fatty acids present in one gram of the substance.
Historical Examples

Those especially important are the acid value, percentage unsaponifiable matter and titer test.
Soap-Making Manual E. G. Thomssen

The Raw Linseed Oil which was used in these tests had an acid value of 1.84%, which is very low.
Paint Technology and Tests Henry A. Gardner

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


Read Also:

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  • Acid washing

    a process in which a denim garment is treated with a bleach solution containing chlorine-soaked stones so that the color becomes faded and the material is softer. Historical Examples The action of platinum salts upon a paper containing animal sizing gave it a tint which no amount of acid washing could remove. Crayon Portraiture Jerome […]

  • Acid-base balance

    acid-base balance acid-base balance n. The state that exists when acidic and basic ions in solution neutralize each other.

  • Acid-ash diet

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