Determination of trace bismuth by flow injection-hydride generation collection-atomic absorption spectrometry
β Scribed by Shu Chen; Zhi Zhang; Hua Yu
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 85 KB
- Volume
- 374
- Category
- Article
- ISSN
- 1618-2650
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Flow-injection analysis is applied to sample introduction in conjunction with automated hydride generation and AAS for the determination of As and Se in environmental samples such as soil, vegetation, waters, sediments, and industrial wastes. A large sample loop was used to provide high sensitivitie
The particulate6 are collected on Whatman 41 cellulose filters and decomposed with sulfuric acid and hydrogen peroxide; bismuth is then measured by hydride generation/atomic absorption spectrometry. The detection limit is 0.08 ng m" if 500 m' of air is filtered through an 11-cm filter. Generally, th