Acta Phys. -Chim. Sin. ›› 2003, Vol. 19 ›› Issue (04): 361-363.doi: 10.3866/PKU.WHXB20030417

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Thermodynamics of Indium Sulfate Solution

Wang Qin-Ping;Lü Dian-Zhen;Zhang Li;Sun Xue-Li;Hong Mei;Yang Jia-Zhen   

  1. Department of Chemistry, Liaoning University, Shenyang　110036
  • Received:2002-07-15 Revised:2002-09-25 Published:2003-04-15
  • Contact: Wang Qin-Ping E-mail:wqp2008@yahoo.com.cn

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Abstract: The thermodynamic properties of the system HCl-In2(SO4)3-H2O were studied by EMF measurement in cells without liquid junction: Pt, H2(101.325 kPa )│HCl(mA), In2(SO4)3(mB),H2O│AgCl-Ag (A) at constant total ionic strength I = 0.2、0.4、0.6、0.8、1.0、1.5 mol•kg－1 and yB=0、0.10、0.20、0.30、0.50、0.70 at different temperatures ranging from 278.15～318.15 K. The activity coefficients of HCl γA in the solution have been determined from cell (A).

Key words: Activity coefficients, EMF, Ionic strength, Indium Sulfate