| 释义 |
polyprotic, a. Chem.|pɒlɪˈprəʊtɪk|
[f. poly- + proton 2 + -ic.]
Of an acid: capable of donating more than one proton to a base; polybasic; occas. also used of bases which can accept more than one proton.
1944J. A. Timm Gen. Chem. xxxii. 343 Acids whose molecules may donate more than one proton are called polyprotic acids. 1968J. G. Morris Biologist's Physical Chem. v. 114 In biological media we frequently encounter polyprotic, weak acids (e.g. carbonic, phosphoric, citric acids), whose complete neutralization requires the addition of two or more equivalents of sodium hydroxide. 1969H. T. Evans tr. Hägg's Gen. & Inorg. Chem. xii. 316 Acids and bases that can give up or take up more than one proton are called polyvalent..or polyprotic. |