摘要
介绍了冶金分析化学中样品前处理技术的重要地位、分类及研究进展情况,并对超临界流体萃取、固液相萃取、膜分离技术等几种近年来发展较快的样品前处理新方法的原理及特点作了分析,这些方法能够有效地减少在分析过程中由样品前处理过程带来的误差,而且快速、简便,同时可与分析测定联用,实现分析的自动化。
This article introduced the important position, classification and the progress of metallurgical technology in the metallurgical analytical chemistry, and analyzed the principle and characteristic of sample pretreatment new methods that developed rapidly in recent years such as supercritical fluid extraction, solid and liquid phase extraction and barrier separation technology. These technologies could effectively decrease the error brought by the sample pretreatment in the analyzing progress, they were quick and convenient methods which were used with analytical measurement and realizing the analytical automation.
出处
《山东冶金》
CAS
2009年第6期6-8,共3页
Shandong Metallurgy
关键词
冶金化学分析
样品前处理
研究进展
metallurgical analytical chemistry
sample pretreatment, research progress