The meaning of ACID NUMBER is 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 a
The meaning of ACETYL VALUE is 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
RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook copper number [′käp·ər ‚nəm·bər] (analytical chemistry) The number of milligrams of copper obtained by the reduction of Benedict's or Fehling's solution by 1 gram of carbohydrate. ...
Define Acid number. Acid number synonyms, Acid number pronunciation, Acid number translation, English dictionary definition of Acid number. n the number of milligrams of potassium hydroxide required to neutralize the free fatty acid in one gram of a fat,
a经有关权威机构检测,茶膏中茶多酚的含量高达50%左右,即1克茶膏里含有茶多酚500毫克。 After the related authoritative organization examination, in the tea paste the tea polyphenol content reaches as high as about 50%, namely in 1 gram tea paste includes the tea polyphenol 500 milligrams.[translate...
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The TAN is defined as the weight (in milligrams) of a standard base (e.g. potassium hydroxide, KOH) that's required to neutralise all of the acidic components within the oil. Its unit is mg KOHg-1 (milligrams of KOH per gram).For...
The saponification number is defined as the number of milligrams of potassium hydroxide needed to saponify completely one gram of a fat or an oil. One mole of fat requires three moles of potassium hydroxide for complete saponification. If a fat contains fatty acids of relatively high molecular ...
A carat is defined as one fifth of a gram, or 200 milligrams. Gold is seldom used in a pure form. The metal is too soft. It would bend or break if used pure. Instead, it is used in combination with other metals called alloys. An alloy is a mixture of two or more metals. The...
Moles, milligrams, and milliequivalents: A mole is an Avogadro’s number (6.023 × 1023) of elementary entities (eg, atoms, ions, molecules); the mass of 1 mole of a substance is its atomic weight in grams (eg, 1 mole of sodium = 23 g, 1 mole of calcium = 40 g). Moles, mil...