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acid value

noun, Chemistry

acid number

noun, Chemistry
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.
Also called acid value. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for acid value
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
British Dictionary definitions for acid value

acid value

the number of milligrams of potassium hydroxide required to neutralize the free fatty acid in one gram of a fat, oil, resin, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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