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研究了硫酸铵、氯化铵和碳酸氢铵水盐体系的溶解度关系,获得了该体系在35 ℃时的溶解度相图数据。1 实验部分1.1 主要仪器与试剂(1)WC-1型恒温槽(四川大学科仪厂生产);(2)硫酸铵(分析纯,西安化学试剂厂);(3)氯化铵(分析纯,自贡化学试剂厂);(4)碳酸氢铵(分析纯,上海光耀化工厂);(5)硝酸银(分析纯,成都化学试剂厂);(6)二氯化钡(分析纯,成都化学试剂厂);(7)氢氧化钠(分析纯,重庆化学试剂厂);(8)盐酸(分析纯,成都化学试剂厂)。
The relationship between the solubility of ammonium sulfate, ammonium chloride and ammonium bicarbonate was studied. The phase diagram data of the solubility of the system at 35 ℃ were obtained. 1 Experimental 1.1 The main instruments and reagents (1) WC-1-type thermostat bath (Sichuan University Instrument Factory production); (2) ammonium sulfate (analytical grade, Xi’an Chemical Reagent Factory); , Zigong Chemical Reagent Factory); (4) ammonium bicarbonate (analytical grade, Shanghai Guangyao Chemical Factory); (5) silver nitrate (analytical grade, Chengdu Chemical Reagent Factory); Chemical Reagent Factory); (7) sodium hydroxide (Analytical Pure, Chongqing Chemical Reagent Factory); (8) hydrochloric acid (analytical grade, Chengdu Chemical Reagent Factory).