| 单词 | phosphoric anhydride |
| 释义 | > as lemmasphosphoric anhydride phosphoric anhydride n. Chemistry = phosphorus pentoxide n. at phosphorus n. Compounds 2. ΚΠ 1858 H. Watts & R. Bridges Graham's Elem. Inorg. Chem. (ed. 2) 704 These compounds [sc. anhydrides] are formed by the substitution of an acid radical for the whole of the hydrogen in one or two molecules of water, thus:..phosphoric anhydride. 1922 T. M. Lowry Inorg. Chem. xxvi. 411 The mixed gases are passed into a flask surrounded by a freezing mixture, and purified by redistilling from phosphoric anhydride. 1960 F. G. Mann & B. C. Saunders Pract. Org. Chem. (ed. 4) ii. 119 This process usually requires phosphorus pentoxide (correctly termed phosphoric anhydride) as a dehydrating agent. < as lemmas |
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