Determination of Tellurium by Atomic Fluorescence Spectrometry Based on Dielectric Barrier Discharge Atomizer

被引：9

作者：

Kuermaiti, Biekesailike ^{[1
,2
]}

Wang Juan ^{[1
]}

Han Guo-Jun ^{[1
]}

Xing Zhi ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China

[2] Prod Qual Inspect Inst, Yili 835000, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2010年 / 38卷 / 03期

关键词：

Dielectric barrier discharge; Low temperature atomizer; Atomic fluorescence spectroscopy; Tellurium; OPTICAL-EMISSION SPECTROMETRY; ABSORPTION-SPECTROMETRY; GENERATION; DETECTOR; HYDRIDE; MERCURY; PLASMA; TIN;

D O I：

10.3724/SP.J.1096.2010.00357

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method has been developed for the determination of tellurium(Te) in soil by hydride generation (HG) atomic fluorescence spectrometry (AFS) based on dielectric barrier discharge (DBD) plasma as low-temperature atomizer. The samples were dissolved by aqua regior acid without matrix separation. The characteristics of the DBD atomizer and the effects of different experimental parameters, such as discharge power, flow rates of discharge gas and AFS carrier gas, lamp current, negative high voltage, observation height, KBH4 concentration and acid medium on the determination were studied and the analytical performances of the present method were evaluated. The detection limit of Te was 0.08 mu g/L. The linear range was from 0.5 to 80 mu g/L. Recoveries of spiked sample was from 90% to 103 %. The accuracy of this method was verified by the determination of Te in the reference materials. The results agreed well with the reference values.

引用

页码：357 / 361

页数：5

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