| 单词 | grey arsenic |
| 释义 | > as lemmasgrey arsenic grey arsenic n. Chemistry the most stable allotrope of arsenic, which is a brittle substance with a steel-grey metallic lustre. ΚΠ 1868 W. Crookes & E. Röhrig Kerl's Pract. Treat. Metall. I. v. 478 Ores rich in arsenic are at once roasted at a higher temperature, as more white and less grey arsenic are thus formed. 1938 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. xlii. 412 Grey arsenic is the form stable at ordinary temperatures. 2007 C. Cooper Arsenic 7/1 Yellow arsenic is chemically the same as gray arsenic, but it is much less dense. < as lemmas |
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