Acid value
.
a number expressing the acidity of a substance, equal to the number of milligrams of pot-ssium 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 t-ter 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 pot-ssium 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 quant-ty 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.