Acta Phys. -Chim. Sin. ›› 2002, Vol. 18 ›› Issue (09): 850-854.doi: 10.3866/PKU.WHXB20020918

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Electrical Conductivity of Four Neodymium Salts in Dimethylformamide

Wang Yu;He Feng-Rong;Liu Guan-Kun;Chen Liu-Ping;Tong Ye-Xiang   

  1. School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou　510275
  • Received:2001-12-07 Revised:2002-04-19 Published:2002-09-15
  • Contact: Liu Guan-Kun E-mail:ceslgk@zsu.edu.cn

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Abstract: Conductance measurements have been made on four neodymium salts: Nd(CF3SO3)3, Nd(ClO4)3, Nd(NO3)3 and NdCl3 dissolved in dimethylformamide. The limiting molar conductivity of Nd(CF3SO3)3 and Nd(ClO4)3 at 25 ℃ calculated by liner fit are 278.8 and 280.7 S•cm2•mol－1 respectively, those of Nd(NO3)3 and NdCl3 obtained by indirect method are 297.2 and 287.3 S•cm2•mol－1 respectively. The electrical conductivity of Nd(CF3SO3)3 and Nd(ClO4)3 increase linearly in the temperature range(25～65)℃. Significant ionic association exists in Nd(NO3)3 and NdCl3 solution.

Key words: Rare earths, Neodymium salts, Conductivity, Dimethylformamide, Ionic association