Originally: †natron, native sodium carbonate (obsolete). In later use: sodium or potassium nitrate; spec. potassium nitrate (saltpetre).
| 单词 | θ69858 |
| 释义 | the world > matter > chemistry > organic chemistry > organic salts > [noun] > carbonates > sodium carbonate (4) nitrea1400 Originally: †natron, native sodium carbonate (obsolete). In later use: sodium or potassium nitrate; spec. potassium nitrate (saltpetre). soda1558 An alkaline substance obtained originally from the ashes of certain marine or other salt-impregnated plants, esp. species of Salsola, and now… white ash1837 Refined sodium carbonate, prepared from black ash (black ash, n.2) by washing with water followed by evaporation. soda-ash1839 the sodium carbonate of commerce, = 1. |
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