| 测定大气颗粒物中金属元素的样品前处理方法比较 |
| |
| 引用本文： | 李振声,郎永设.测定大气颗粒物中金属元素的样品前处理方法比较[J].环境科学,1990,11(3):49-53. |
| |
| 作者姓名： | 李振声 郎永设 |
| |
| 作者单位： | 宁夏环境保护研究所
(李振声)，宁夏环境保护研究所(郎永设) |
| |
| 摘 要： | 本文对测定大气颗粒物中金属元素样品的前处理方法:硫酸-灰化法,常压混酸消解法,高压消解法,索氏提取法进行了探讨。测定了Cu,Pb,Cd,Cr,Be,Co,Ni元素,对各方法的空白值,精密度、准确度,以及样品测定等进行了对比与评价。
|
| 关 键 词： | 大气污染 颗粒物 金属元素 样品 |
| 收稿时间： | 1989/7/26 0:00:00 |
A Discussion of Four Pretreatment Methods of Analysing Elements in Atmospheric Particulates |
| |
| Li Zhensheng and Lang Yongshe.A Discussion of Four Pretreatment Methods of Analysing Elements in Atmospheric Particulates[J].Chinese Journal of Environmental Science,1990,11(3):49-53. |
| |
| Authors: | Li Zhensheng and Lang Yongshe |
| |
| Institution: | Environmental Protection Institute at the Ningxia Hui Autonomous Region, Yinchuan;Environmental Protection Institute at the Ningxia Hui Autonomous Region, Yinchuan |
| |
| Abstract: | This article presents a discussion on four pretreat-ment methods of analysing metal elements in air particu-late samples. In determination of Cu, Ph, Cd, Cr, Be, Co and Ni, the four methods that are sulfate-ash method, acid mixture digestion, high pressure wet digestion and Soxhlet's extraction have beeen compared. The results demonstrate that the method of high pressure wet disgestion with low blank is easy to handle and has a desirable precision(CV% 2.3-7.1%)and high recovery(91-117%). |
| |
| Keywords: | |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《环境科学》浏览原始摘要信息 |
| 点击此处可从《环境科学》下载免费的PDF全文 |
|
