| 释义 |
arsen-|ˈɑːsən|
short for arsenic, used
1. in Comb.: esp. in names of combinations of arsenic with organic radicals, as in Arsen-dimethyl (= cacodyl, As2 (CH3)4).
2. in derivatives, in which it varies with arseni- |ɑːˈsiːnɪ|; as ˈarsenate or arˈseniate [see -ate4], a salt of arsenic acid, e.g. sodium arsenate, arseniate of nickel or nickel bloom. ˈarsenetted ppl. a., combined chemically with arsenic, arseniuretted. arˈseniate a. rare, mixed or treated with arsenic. arˈseniated ppl. a. = arseniate, and (obs.) arsenetted. ˈarsenide [see -ide], a primary combination of arsenic with another element, (as hydrogen, a metal,) or an organic radical. ˈarsenite, Chem. [see -ite], a salt of arsenious acid, as arsenite of silver, of lead, etc.; Min. synonym of arsenolite.
1800Henry Epit. Chem. (1808) 255 With alkalies, earths, and oxides, it constitutes a class of salts called *arsenates.
1863Watts Dict. Chem. I. 379 The *arsenates of the alkali metals are soluble in water.
1875Ure Dict. Arts I. 215 An acid *arsenate of soda is now used in calico-printing.
1796Hatchett in Phil. Trans. LXXXVI. 317 If *arseniate of ammoniac is distilled, gas is produced.
1876Harley Mat. Med. 214 *Arseniate of Iron.
1863Watts Dict. Chem. I. 372 *Arsenetted hydrogen is a colourless gas..Small animals are instantly killed by it.
1851–9Owen in Adm. Man. Sc. Enq. 377 The inside..brushed with *arseniate soap [and] stuffed with cotton.
1808Sir H. Davy in Phil. Trans. XCVIII. 367 Potassium separates arsenic from *arseniated hydrogene.
1846Blackw. Mag. LX. 65 Volley of Russian candles, and the flames of an *arseniated Hougomont.
1863Watts Dict. Chem. (1872) I. 370 Many metallic *arsenides occur in natural minerals, e.g. copper-nickel Ni2As2.
Ibid. 397 *Arsenides of ethyl.
1876Harley Mat. Med. 287 Arsenic is most extensively diffused in combination with other metals, as in the *arsenides of iron, nickel, copper, cobalt.
1800Henry Epit. Chem. (1808) 254 Oxide of arsenic..has therefore been called arsenous acid, and its compounds *arsenites.
1865Pall Mall G. 19 Sept. 11/1 Sweetmeats..rendered terrible with *arsenite of copper.
187.Thorpe Inorg. Chem. I. 392 Copper *arsenite, or Scheele's Green is employed as a pigment. A copper aceto- *arsenite, known as Schweinfurth, or imperial green, is also largely used.
Ibid. 391 Arsenious oxide..constitutes the mineral known as *arsenite. [See also arsenolite.] |