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50℃K⁺,NH₄⁺//Cl^-,SO₄^2-—H₂O四元交互体系相平衡的研究

Research on the Phase Equilibrium of the Mutual Quaternary System of K⁺,NH₄⁺//Cl^-,SO₄^2-—H₂O at 50℃

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【Author】 WANG Yan-jie ,TIAN Li-nan (Wuhan Chemical Engineering College,Chemical Engineering and Pharmaceutical College,Wuhan Hubei 430074,China)

【机构】武汉化工学院化工与制药学院；武汉化工学院化工与制药学院湖北　武汉　430074；湖北　武汉　430074；

【摘要】采用等温法测定了50℃K+,NH4+//Cl-,SO2-4—H2O体系的溶解度,并绘制了该体系50℃的等温干基相图。实验结果表明,该体系中含有(K,NH4)2SO4,(K,NH4)Cl和(NH4,K)Cl三种固溶体。对溶解度数据以及相图进行分析,可以为工业化生产中工艺条件的选择提供一定的理论基础。更多还原

【Abstract】 In the article,the solubility data of the mutual quaternary system of K⁺,NH⁺₄//Cl^-,SO^2-₄—H₂O are measured at 50℃ by means of isotherm. The phase diagram（nowater）of the system at 50℃ is drawed .The result shows that three kinds of solid solutions are contained in the system. They are（K,NH₄）₂SO₄,（K,NH₄）Cl,（NH₄,K）Cl.It can provide some elementary theories for industrial production.更多还原