| 释义 |
phosphine Chem.|ˈfɒsfaɪn|
[f. phosph- + -ine5, used to form a term analogous to amine.]
1. A name for phosphuretted hydrogen gas, PH3 (as an analogue of ammonia, NH3).
1873Watts Fownes' Chem. (ed. 11) 225 Phosphine is analogous in some of its chemical relations to ammoniacal gas.
2. A phosphorus ammonia; a compound having the structure of an amine, with phosphorus in place of nitrogen: e.g. monoethyl phosphine, C2H5·P·H2, diethyl phosphine (C2H5)2·P·H, triethyl phosphine (C2H5)3·P, etc.
1871Roscoe Elem. Chem. xxxi. 340 The following table shows the similarity between amines and phosphines. Ibid., Phosphine iodide, PC2H5H3I. 1898G. McGowan tr. Meyer's Hist. Chem. 469 The phosphines and phosphonium bases first became known through the classical and comprehensive researches of A. W. Hofmann.
Hence phosˈphinic a., of, pertaining to, or derived from phosphine; in phosphinic acid, any one of various acids formed from the primary and secondary phosphines by fixation of 3 and 2 atoms of oxygen respectively.
1875Watts Dict. Chem. VII. 956 Phosphinic acids. 1881Ibid. VIII. ii. 1581 The phosphinic acids of the fatty series have already been described. |