| 单词 | arsenical pyrites |
| 释义 | > as lemmasarsenical pyrites arsenical pyrites n. Mineralogy either of two arsenic-containing minerals: (a) = arsenopyrite n. at arseno- comb. form 2; (b) = löllingite n. [In sense (a) probably after post-classical Latin arsenicalis pyrites (1739 or earlier; also pyrites arsenicalis (1745 or earlier))] . ΚΠ 1741 tr. J. A. Cramer Elements Art of assaying Metals ii. 222 The white arsenical Pyrites [L. Arsenicales Pyritae], turn also a great Quantity of Lead into Glass. 1820 R. Jameson Syst. Mineral. (ed. 3) III. 398 It is usually accompanied with argentiferous arsenical-pyrites. 1875 J. D. Dana Syst. Mineral. (new ed.) 76 Löllingite. Prismatic Arsenical Pyrites. 1884 Jrnl. Chem. Soc. 46 404 No explanation can be given of the variable percentage of sulphur in arsenical pyrites. 1905 57th Ann. Rep. N.Y. State Mus. 1903 1 182 Arsenical pyrites. Two compounds of arsenic and iron are here included: a sulpharsenid of iron known as arsenopyrite or mispickel and a diarsenid of iron..known as löllingite or leucopyrite. 1968 Materials & Technol. I. 393 The most important minerals are arsenopyrites.., arsenical pyrites or löllingite (iron arsenide, containing 73% arsenic), [etc.]. 2002 C. Reilly Metal Contamination Food x. 200 The cause of the outbreak was the use of arsenical pyrites to make the sulphuric acid that was used in the beer fermentation. < as lemmas |
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