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HCl-In₂（SO₄）₃混合溶液中InCl₃活度系数的测定

Determination of Activity Coefficients of InCl₃ in the Mixed Solution of HCl-In₂（SO₄）3

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【Author】 WANG Qin-Ping a*, L Xing-Mei b, ZHANG Li a, L Dian-Zhen a ( aDepartment of Chemistry,Liaoning University,Shenyang 110036; bDepartment of Chemistry,Shenyang Normal University,Shenyang)

【机构】辽宁大学化学系；沈阳师范大学化学系；辽宁大学化学系沈阳110036；沈阳；沈阳110036；沈阳110036；

【摘要】在HCl In2 (SO4) 3 H2 O混合溶液中 ,以In3 + /In和AgCl Ag电极组成无液接电池 ,恒定溶液总离子强度I和In2 (SO4) 3 在溶液中的离子强度分数 ,测定了电池 (A)在 2 78 15～ 318 15K温度范围内的电动势 :In│HCl(cA) ,In2 (SO4) 3 (cB) ,H2 O│AgCl-Ag根据测得电池的电动势数据 ,确定了In3 + /In电极在不同温度下的标准电极电势 ,进一步计算了在不同温度下混合溶液中InCl3 的活度系数。更多还原

【Abstract】 A non-liquid junction cell(A) represented by In│HCl(c A),In 2(SO 4) 3(c B),H 2O│AgCl-Aghas been designed and realized. The electrical potentials of the cell have been determined in condition of constant total ionic strength of solution, I, and ionic strength fraction of In 2(SO 4) 3 in solution. The standard polentials of In 3+/ In electrode have been calculated based on the electrical potentials obtained in experiments with cell. They are identical with those reported in literatures.更多还原