几种测定膨润土阳离子交换容量方法的比较  

Comparison of Several Measuring Methods for Bentonite Cation Exchange Capacity

作　　者：郭新锋[1] 黎艳[1] 王娟芳[1] 王晓军[1] 

机构地区：[1]中国科学院新疆理化技术研究所,乌鲁木齐830011

出　　处：《工业计量》2008年第1期10-12,共3页Industrial Metrology

基　　金：中国科学院西部之光资助项目:黏土的纯化与深加工和聚酯PET/黏土纳米复合材料的研究;新疆维吾尔自治区高技术研究发展计划项目:纳米膨润土及有机复合材料合成与应用研究。

摘　　要：对比3种不同容量法测定膨润土阳离子交换容量Ccec方法,从测定结果和测定过程对方法进行评价,得出氯化铵-氢氧化铵法准确度高,方法简便;电位滴定法快速、省时、节能,两种方法适合不同领域的分析要求。Three measuring methods of bentonite cation exchange capacity are compared and evaluated according to measuring results and process. It is concluded that NH4Cl -NH4OH method is a simple method with high veracity, and potentiometric titration method is a quick, timesaving and energy saving one. These two methods can meet the analysis demand in different fields.

关 键 词：膨润土 阳离子交换容量 方法比较 

分 类 号：TG806[金属学及工艺—公差测量技术]