高等学校化学学报 ›› 1997, Vol. 18 ›› Issue (7): 1031.

• 论文 • 上一篇    下一篇

一种可用于微波等离子体炬原子发射光谱法的热雾化系统

梁枫, 赵丽巍, 张寒琦, 金钦汉   

  1. 吉林大学化学系, 长春 130023
  • 收稿日期:1997-01-31 出版日期:1997-07-24 发布日期:1997-07-24
  • 通讯作者: 金钦汉.
  • 作者简介:梁枫, 男, 28岁, 博士研究生.
  • 基金资助:

    国家自然科学基金

A Simple Thermospray System Used in Microwave Plasma Torch Atomic Emission Spectrometry

LIANG Feng, ZHAO Li-Wei, ZHANG Han-Qi, JIN Qin-Han   

  1. Department of Chemistry, Jilin University, Changchun 130023
  • Received:1997-01-31 Online:1997-07-24 Published:1997-07-24

摘要: 建立了一种新的热雾化系统,用蠕动泵代替高压泵,去掉了加热管部分,使整个热雾化系统更加紧凑、经济,并将其用于微波等离子体炬(MPT)-原子发射光谱法(AES),考察了实验参数的影响. 与气动雾化相比,对Mg、Pb的检出限改善了5~10倍. 同时发现本装置具有元素选择性增强的现象.

关键词: 热雾化, 微波等离子体炬, 原子发射光谱法

Abstract: An improved thermospray system combined with Microwave plasma torch atomicemission spectrometry (MPT-AES) was proposed.The high pressure pump was replacedwith a peristalic pump, and the appendix heating tube was removed, this improvementmakes the thermospray system more compact and economical.The effects of operation pa-rameters on the emission intensity were studied.Compared with pneumatic nebulization, thedetection limits for Mg and Pb of this system were improved to 5~10 times.And an ele-ment-selected enhancement phenomena was found.

Key words: Thermospray, Microwave plasma torch, Atomic emission spectrometry

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