单词	orthophosphoric acid
释义	orthophosphoric acid /ˌɔːθə(ʊ)fɒsˈfɒrɪk / noun Another term for phosphoric acid.A phosphate is a salt that is prepared from orthophosphoric acid.... Soil samples were pretreated with excess 0.1 M orthophosphoric acid to remove inorganic C salts. The pH value at which a one molar solution exists as half orthophosphoric acid and half dihydrogen phosphate ion, H 2 PO 4 -, the pK 1, is 2.15. Derivatives orthophosphate noun ... Only a fraction of total P is supposed to occur as free orthophosphate ions. An example of a second order reaction is the formation of ATP through the condensation of ADP with orthophosphate. In many species the enzyme is sensitive to allosteric regulation by phosphoglyceric acid and inorganic orthophosphate (inhibitor).
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