ELECTRICALLY HEATED WIRE-LOOP, IN-TORCH VAPORIZATION (ITV) SAMPLE INTRODUCTION SYSTEM FOR ICP-AES WITH PHOTOMULTIPLIER TUBE DETECTION AND ICP-MS

被引:14
|
作者
KARANASSIOS, V
DROUIN, P
REYNOLDS, GG
机构
[1] Guelph-Waterloo Center for Graduate Work in Chemistry, University of Waterloo, Department of Chemistry, Waterloo
关键词
D O I
10.1016/0584-8547(94)00139-M
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
In this first report on an electrically heated, Re wire-loop in-torch vaporization (ITV) sample introduction system for ICP-AES with photomultiplier tube detection and ICP-MS, some preliminary results obtained for Pb, Cd, Zn and Sr are presented. An un-optimized, manually operated ITV system and 10 mu l volumes have been used. Estimated absolute detection limits are (in pg) Zn (26), Pb (25), Cd (41) and Sr (0.12) for ITV-ICP-AES and Zn (0.04), Pb (0.12), Cd (0.11) and Sr (0.32) for ITV-ICP-MS.
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页码:415 / 423
页数:9
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