| 摘要: |
| 采用电导滴定法研究了恒电荷土壤胶体表面的电导特性，提出了几个特征参数表观碱量电导率、表观碱量电导贡献率，这些参数是氢铝离子与胶体亲和力、碱金属阳离子在土壤胶体表面解离度及离子自身导电能力的综合表征。电导滴定法测定的阳离子代换量（CEC）与滴定体系有关。 |
| 关键词: 恒电荷土壤胶体 电导 表观摩尔电导率 |
| DOI： |
| 分类号: |
| 基金项目: |
|
| Character of electrical conductance of soil colloid under constant charge |
|
|
| Abstract: |
| The electrical conductance of soil colloids under constant charge are determined with electrical conductance titration method,and a few characteristic parameters are suggusted:apparent alkali amount electrical conductivity,the contributive rate of alkali electrical conductance.These parameters reflect the dissociation degree of adsorbed cations on different soil colloids.CECE value determined by electrical conductance titration method is related to titration system. |
| Key words: constantcharge soil colloid electrical conductance apparent molar conductivit |
