INFLUENCE OF SMALL AMOUNTS OF ORGANIC-SOLVENTS IN AQUEOUS SAMPLES ON ARGON INDUCTIVELY COUPLED PLASMA SPECTROMETRY

被引：36

作者：

OLESIK, JW

MOORE, AW

机构：

[1] Department of Chemistry, Venable and Kenan Laboratories, CB 3290, University of North Carolina, Chapel Hill

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 08期

关键词：

D O I：

10.1021/ac00207a014

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The presence of organic solvents In aqueous samples In concentrations as low as 0.1 % by volume had a large effect on emission and fluorescence signals. Both atom and Ion emission signals were depressed when organic solvents were present. In contrast, Sr II fluorescence Intensities were enhanced by up to a factor of 3.5 when the sample contained 2 % (v/ v) organic solvent. More Ions were produced when the sample contained organic solvent. However, the fractions of atoms and Ions that were excited and emitted light decreased. Ar and H emission intensities can be used as diagnostic signals to warn the operator when plasma conditions have changed due to the presence of organic solvents. © 1990, American Chemical Society. All rights reserved.

引用

页码：840 / 845

页数：6

共 26 条

[1]

BATES LC, IN PRESS J ANAL AT S

[2] EXCITATION TEMPERATURE AND ELECTRON-DENSITY IN THE INDUCTIVELY COUPLED PLASMA AQUEOUS VS ORGANIC-SOLVENT INTRODUCTION [J].