Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammoniumchloride as catalyst, triethyl orthoformate as water scavenger.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
2
Objective To investigate the effects of low-dose ammoniumchloride on learning and memory in mice.
目的观察小剂量氯化铵对小鼠学习记忆功能的影响。
3
The dolomite is calcined to form the mixture of calcium oxide and magnesia, then the mixture is extracted by ammoniumchloride solution and ammonium sulfate solution respectively.