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Determination of Silicate by Hollow Cathode Glow Discharge-Atomic Emission Spectrometry with Hydride Generation Technique

 

作者: Kitao Fujiwara,   EugeneP. Wagner,   B.W. Smith,   J.D. Winefordner,  

 

期刊: Analytical Letters  （Taylor Available online 1996）
卷期: Volume 29, issue 11  

页码: 1985-1992

 

ISSN:0003-2719

 

年代: 1996

 

DOI:10.1080/00032719608000804

 

出版商: Taylor & Francis Group

 

关键词: Silicate;Hollow Cathode;Hydride Generation

 

数据来源: Taylor

 

摘要:

Hollow cathode glow discharge atomic emission spectrometry has been applied to the determination of silicon coupled with a novel gaseous hydride generation technique, involving drying of an aqueous solution of silicate (sample) and mixing with powdered LiAlH4. Sample introduction into the glow discharge chamber was performed via a pinhole at the center of the cathode which was connected to the hydride generator. The detection limit for silicon was 6μg at 288.1 nm and 30 μg at 251.6 nm.

 

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