acid number

acid number
the number of milligrams of potassium hydroxide necessary to neutralize the free fatty acids in 1 gram of fat; it represents a measure of the amount of free fatty acids in the fat.

Medical dictionary. 2011.

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  • acid number — n. a number indicating the amount of free acid present in a substance, equal to the number of milligrams of potassium hydroxide needed to neutralize the free fatty acids present in one gram of fat or oil: also called acid value …   English World dictionary

  • acid number — noun : a measure of the amount of free acids (as fatty acids) in a substance (as an oil or resin) usually expressed as the number of milligrams of potassium hydroxide required to neutralize one gram of the substance called also acid value * * *… …   Useful english dictionary

  • acid number — rūgščių skaičius statusas T sritis Standartizacija ir metrologija apibrėžtis KOH kiekis (mg), kurio reikia laisvosioms rūgštims, esančioms 1 g medžiagos, neutralizuoti. atitikmenys: angl. acid number; acid value vok. Neutralisationszahl, f;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • acid number — rūgščių skaičius statusas T sritis Standartizacija ir metrologija apibrėžtis Šarmo (bazės) kiekis, išreikštas skaičiumi, lygiaverčiu KOH miligramams gramui, reikalingas visų rūgščiųjų sudedamųjų dalių, esančių 1 g bandinio, titravimui, kuris… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • acid number — rūgščių skaičius statusas T sritis chemija apibrėžtis KOH kiekis (mg), kurio reikia laisvosioms rūgštims, esančioms 1 g medžiagos, neutralizuoti. atitikmenys: angl. acid number; acid value rus. кислотное число …   Chemijos terminų aiškinamasis žodynas

  • acid number — Chem. 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. * * * …   Universalium

  • Acid number — Кислотное число …   Краткий толковый словарь по полиграфии

  • Total Acid Number — The Total Acid Number is the amount of potassium hydroxide in milligrams that is needed to neutralize the acids in one gram of oil. It is an important quality measurement of crude oil. The TAN value indicates to the crude oil refinery the… …   Wikipedia

  • Acid value — In chemistry, acid value (or neutralization number or acid number or acidity ) is the mass of potassium hydroxide (KOH) in milligrams that is required to neutralize one gram of chemical substance. The acid number is a measure of the amount of… …   Wikipedia

  • acid value — noun (chemistry) the amount of free acid present in fat as measured by the milligrams of potassium hydroxide needed to neutralize it as the glycerides in fat slowly decompose the acid value increases • Topics: ↑chemistry, ↑chemical science •… …   Useful english dictionary

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