HEATED SAMPLE INTRODUCTION SYSTEM FOR THE ANALYSIS OF SLURRIES BY INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION-SPECTROMETRY

被引：17

作者：

GERVAIS, LS ^{[1
]}

SALIN, ED ^{[1
]}

机构：

[1] MCGILL UNIV,DEPT CHEM,801 SHERBROOKE ST W,MONTREAL H3A 2K6,QUEBEC,CANADA

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1991年 / 6卷 / 01期

关键词：

SLURRY; SOLID SAMPLE INTRODUCTION; BABINGTON NEBULIZER; INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY; HEATED SPRAY CHAMBER;

D O I：

10.1039/ja9910600041

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A slurry sample introduction system with a heated spray chamber followed by a condenser has been evaluated. Signal intensities (calibration curve slopes) increased for liquid standards by a factor of 11 while for solid (slurry) samples, intensities increased by a factor of approximately 3. Despite these intensity increases, detection limit improvements were marginal due to a comparable increase in noise. Experimentation demonstrated that it was necessary to use continuous tubular injector tube to reduce fluctuations in the plasma. Injector-gas composition appeared to have a major effect on the particle decomposition capability of the plasma.

引用

页码：41 / 47

页数：7

共 38 条

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