1.  soda ash
2.  natrium carbonicum calcinatum
3.  [无化] anhydrous sodium carbonate

• 1. 无水碳酸钠: Sodium carbonate anhydrous | anhydrous sodium carbonate | Sodium carbonate | natrium carbonicum calcinatum
• 2. 产品名称无水碳酸钠: Sodium carbonate anhydrous

• 1.研究了以无水碳酸钠为催化剂，红霉素肟与甲氧基乙氧基氯甲醚(MEMC)为原料，一步合成罗红霉素的实验过程。
  The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate.
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