OPTIMIZATION OF DISCHARGE PARAMETERS OF A PIN-TYPE RADIO-FREQUENCY GLOW-DISCHARGE SOURCE FOR A QUADRUPOLE MASS-SPECTROMETER SYSTEM

被引：16

作者：

SHICK, CR ^{[1
]}

RAITH, A ^{[1
]}

MARCUS, RK ^{[1
]}

机构：

[1] CLEMSON UNIV,DEPT CHEM,HOWARD L HUNTER CHEM LAB,CLEMSON,SC 29634

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1994年 / 9卷 / 09期

关键词：

RADIO FREQUENCY GLOW DISCHARGE; MASS SPECTROMETRY; QUADRUPOLE MASS FILTER; ION SOURCE;

D O I：

10.1039/ja9940901045

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A direct insertion probe with a pin sample holder was evaluated and optimized for applications in r.f. glow discharge mass spectrometry. Discharge cell design variables, including ion sampling distance and sample size, were studied as well as the role of the plasma parameters of r.f. power, power density and discharge gas (Ar) flow/pressure. Analytical stability, (<2.5% RSD over a 45 min analysis time), reproducibility (1-5% RSD), quantification and detection limits for both conducting and non-conducting samples were evaluated.

引用

页码：1045 / 1051

页数：7

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