| 单词 |
tartrate |
| 释义 |
tartrate Chem.|ˈtɑːtrət|
[a. F. tartrate, f. tartre, tartar n.1: see -ate1.]
A salt of tartaric acid (CO2H.(CHOH)2.CO2H) formed by substituting a metal or radical for the hydrogen of the carbonyl groups (CO2H).
These salts are very numerous, and are acid or neutral, according as one or both of the hydrogen atoms are replaced; thus, acid potassium tartrate is CO2H.(CHOH)2.CO2K; neutral potassium tartrate, CO2K.(CHOH)2.CO2K. The H atoms can also be replaced by two different metals or radicals, forming double salts, as sodium potassium tartrate, CO2.Na.(CHOH)2.CO2K, potassium antimonyl tartrate, CO2K.(CHOH)2.CO2SbO.
1794G. Adams Nat. & Exp. Philos. I. App. 547 Tartrats—the earthy insoluble in water, the alkaline soluble. 1815J. Smith Panorama Sc. & Art II. 436 Tartaric acid..unites with the alkalies, and most of the earths. The salts formed with it are called tartrates. 1869Roscoe Elem. Chem. (1871) 200 Potassium Carbonate can be obtained perfectly pure by heating pure potassium tartrate to redness. |
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