acetyl value

noun
variants: or acetyl number

Definition of acetyl value 

: a measure of the free hydroxyl groups in a substance (as a fat or oil) as determined by acetylation, being the number of milligrams of potassium hydroxide required for neutralization of the acetic acid formed by hydrolysis of one gram of the acetylated substance

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First Known Use of acetyl value

1887, in the meaning defined above

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The first known use of acetyl value was in 1887

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