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Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C. It decomposes with loss of carbon dioxide above about 175 °C. Citric acid is a triprotic acid , with pK a values, extrapolated to zero ionic strength, of 3.128, 4.761, and 6.396 at 25 °C. [ 21 ]
Itaconic anhydride is the cyclic anhydride of itaconic acid (an unsaturated, dicarboxylic acid) and is obtained by the pyrolysis of citric acid.It is a colourless, crystalline solid, which dissolves in many polar organic solvents and hydrolyzes forming itaconic acid. [4]
McIlvaine buffer is a buffer solution composed of citric acid and disodium hydrogen phosphate, also known as citrate-phosphate buffer.It was introduced in 1921 by the United States agronomist Theodore Clinton McIlvaine (1875–1959) from West Virginia University, and it can be prepared in pH 2.2 to 8 by mixing two stock solutions.
Citrique Belge or Citric Belge, located in Tienen is a Belgian biotech company and one of the biggest producers of citric acid. The company has a production capacity of 120,000 tonnes of citric acid per year. [1] In 2020 it employed 340 people. [2]
Ferric citrate or iron(III) citrate describes any of several complexes formed upon binding any of the several conjugate bases derived from citric acid with ferric ions. Most of these complexes are orange or red-brown. They contain two or more Fe(III) centers. [3] Ferric citrates contribute to the metabolism of iron by some organisms. Citrates ...
The process continues until all of the carbons in the fatty acid are turned into acetyl CoA. This acetyl-CoA then enters the mitochondrial tricarboxylic acid cycle (TCA cycle). Both the fatty acid beta-oxidation and the TCA cycle produce NADH and FADH 2, which are used by the electron transport chain to generate ATP.
Speciation diagram for a 10-millimolar solution of citric acid. The violet curve corresponds to the trisodium citrate. As a conjugate base of a weak acid, citrate can perform as a buffering agent or acidity regulator, resisting changes in pH. It is used to control acidity in some substances, such as gelatin desserts. It can be found in the milk ...
Citraconic acid is an organic compound with the formula CH 3 C 2 H(CO 2 H) 2. It is a white solid. The alkene is cis. The related trans alkene is called mesaconic acid. It is one of the pyrocitric acids formed upon the heating of citric acid. [1] Citraconic acid can be produced, albeit inefficiently, by oxidation of xylene and methylbutanols.
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