| 单词 | magnesium carbonate |
| 释义 | > as lemmasmagnesium carbonate magnesium carbonate n. an insoluble white solid, MgCO3, which occurs naturally as the mineral magnesite, and is used as an antacid, as a food additive, as a white pigment, etc. ΘΚΠ the world > matter > chemistry > organic chemistry > organic salts > [noun] > carbonates anatron1706 carbonate1788 marine alkali1791 black ash1803 semi-carbonate1808 oxycarbonate1819 potash1823 hydrocarbonate1843 magnesium carbonate1871 thiocarbonate1883 polycarbonate1886 1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxi. 229 Magnesium Carbonate, MgCO3, is an insoluble compound, occurring as a crystallised mineral termed magnesite. The magnesia alba of the shops is a varying mixture of carbonate and hydrate. 1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 371/1 Magnesium carbonate..occurs naturally as magnesite. 1951 R. Mayer Artist's Handbk. (new ed.) ii. 54 Magnesium carbonate, artificially made. Probably the very whitest inert pigment. 1990 Globe & Mail (Toronto) 3 Jan. c9/4 Another process, named Wei T'o after the ancient Chinese god believed to protect books, uses an organic magnesium carbonate suspended in a gaseous solution. < as lemmas |
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