电导法测定混合电解质NaCl和KCl水溶液的活度系数.pdf

23 6 V l. 23 N . 6 2007 6 JOURNAL OF SHANGQ IU TEACHERS COLLEGE June, 2007 NaCl KCl 1 2 王卫东 , 邵莉华 ( , 435002; 2, 355300) : 应用电导法测定了盐湖卤水中混合电解质 NaC l和 KC l水溶液的活度系数, 讨论了混合电解质水溶液 活度系数随温度和浓度的变 关系. : 电解质溶液; 电导法; 活度系数; 混合电解质; KC l; NaC l : O6461 : A : 1672- 3600( 2007) 06- 0083- 04 Use the electric conductivity to assay the activity coefficient ofKC l and NaCl in H O 2 1 2 WANG W eid ng , SHAO L ihua ( 1. Departm ent f Chem istry and Envir nm en tal Engineering, Hubei T eachers C llege, H uangshi 435002, China; 2. First M iddle Sch l f Zher ng, Zher ng 355300, Ch ina) Abstract:The measured the activity c efficients( ) f them ixed electr lyteNaCl and KC l in H O n them eth d 2 f electric c nductivity, and d iscussed the effect f c ncentrati ns and temperatures n activity c efficient f the m ixed electr lyte s luti n. Key words: electr lyte s luti n; electric c nductivity; activity c efficient; the m ixed electr lyte; KCl; NaCl , . [ 1] . , , , , [ 2] . , , , [ 3] [ 4] , . [ 4] , NaClKC,l 293~ 308K N aC lKCl, D ebye- HckerO sager- Falken lagen NaCl KC l, . 1 1. 1 (); KC l (