| 单词 | ethylenediaminetetraacetic acid |
| 释义 | > as lemmasethylenediaminetetraacetic acid ethylenediaminetetraacetic acid n. a crystalline acid widely used, esp. in the form of its salts, as a chelating and sequestering agent for metal ions in industry, biology, and medicine; cf. EDTA n. at E n.1 Initialisms, Versene n.Formula: C2H4(N(CH2COOH)2)2. ΚΠ 1942 Brit. Chem. Abstr. A i. 334 (heading) Copper, nickel, and uranyl compounds of ethylenediaminotetra-acetic acid.] 1946 Brit. Jrnl. Photogr. 5 July 237/1 The ‘Trilon B’ is a water-softener like Calgon and is said to be the di-sodium salt of ethylenediamine tetra-acetic acid. 1964 S. Duke-Elder Parsons' Dis. Eye (ed. 14) xxvi. 378 Irrigation with..a solution of the sodium salt of ethylene-diamine tetra-acetic acid..diminishes scarring in lime burns. 2006 Washington Post (Nexis) 10 Apr. b6 Dr. Rubin became an advocate of using the acid EDTA (ethylenediaminetetraacetic acid) as a chelating agent for the treatment of lead poisoning. < as lemmas |
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