OPTIMIZATION OF OPERATING-CONDITIONS IN INDIVIDUAL AIRBORNE PARTICLE ANALYSIS BY INDUCTIVELY-COUPLED PLASMA-MASS SPECTROMETRY

被引：35

作者：

KANECO, S ^{[1
]}

NOMIZU, T ^{[1
]}

TANAKA, T ^{[1
]}

MIZUTANI, N ^{[1
]}

KAWAGUCHI, H ^{[1
]}

机构：

[1] NAGOYA UNIV,DEPT MAT SCI & ENGN,NAGOYA,AICHI 46401,JAPAN

来源：

ANALYTICAL SCIENCES | 1995年 / 11卷 / 05期

关键词：

INDUCTIVELY COUPLED PLASMA; MASS SPECTROMETRY; AIRBORNE PARTICLE; MONODISPERSE AEROSOL; ZINC;

D O I：

10.2116/analsci.11.835

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学]; 081704 [应用化学];

摘要：

Operating conditions of a particle analyzer using inductively coupled plasma mass spectrometry were investigated to optimize the analysis of individual aerosol particles for zinc in the picogram to femtogram range. The signal intensities and their fluctuations from individual particles were strongly affected by the carrier gas now rate, radio frequency power and sampling depth. The optimum operating conditions were determined and are discussed based on the vaporization and ionization processes of particles and the ion sampling process. Under the optimum operating conditions, fluctuations of the signals from monodisperse aerosols were improved to ca. 5% of relative standard deviation under favorable conditions, and the detection limit of zinc in a particle could be lowered to ca. 3 fg.

引用

页码：835 / 840

页数：6

共 7 条

[1]

GENERATION OF MONODISPERSE AEROSOL STANDARDS [J].