| 释义 |
hydrocarbonate Chem.|-ˈkɑːbənət|
Also -at.
[f. hydrogen + carbonate (in sense 1 used for ‘product of combination with carbon’, thus lit. ‘carbonated or carburetted hydrogen’).]
1. An early name for a hydrocarbon; † formerly, a name of carburetted hydrogen (CH4), the chief constituent of coal-gas.
1800Howard in Phil. Trans. XC. 228 It burns like hydrocarbonate, but with a bluish green flame. Ibid., Should this inflammable gas prove not to be a hydrocarbonate. 1819Pantologia s.v., There are different species of Hydro-carbonats, depending on the proportion of their constituents..commonly distinguished into heavy and light Hydro-carbonats. 1896Daily News 26 Mar. 5/1 The Italian workman has too much hydrocarbonate for dinner, and too little albuminoid.
2. ‘A term applied by Berzelius to a double salt resulting from the combination of a carbonate with a hydrate; by Beudant to the combination of a carbonate and water’ (Mayne).
1843Portlock Geol. 214 Associated with the hydro-carbonate of magnesia, and lime. 1851Illustr. Catal. Gt. Exhib. 193 The hydro-carbonate much used in Pharmacy (magnesia alba). 1854J. Scoffern in Orr's Circ. Sc., Chem. 490 Two hydrocarbonates of copper occur native: one, malachite..has a composition represented by the formula CuO.CO2 + CuO.HO; a second..having the composition 2CuO.CO2 + CuO.HO. |