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
noun
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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- Acid-base balance
acid-base balance acid-base balance n. The state that exists when acidic and basic ions in solution neutralize each other.
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acid-ash diet acid-ash diet n. A diet consisting largely of meat or fish, eggs, and cereals with a minimal quantity of milk, fruit, and vegetables, that when catabolized leaves an acid residue to be excreted in the urine.
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acid-base equilibrium acid-base equilibrium The state that exists when acidic and basic ions in solution exactly neutralize each other.