Spectrophotometric detection of arsenic using flow-injection hydride generation following sorbent extraction preconcentration
✍ Scribed by José Anchieta Gomes Neto; Ronaldo Montes; Arnaldo A. Cardoso
- Book ID
- 117225055
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 102 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0039-9140
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📜 SIMILAR VOLUMES
Flow injection ailalysis (FIA) procedures for the spectrophotometric determination of phenol involving m-line concentration by solvent and sorbent extraction have been developed. The imine product formed in the reaction between phenol and 4-aminoantipyrine (6AAP) is either extracted into chloroform
Hydride generation gas diffusion flow injection analysis with two different electrochemical detectors -conductometric or amperometric -has been investigated for the determination of arsenic. With amperometric detection, where a detection limit (signal-to-noise ratio = 3) of 0.01 mg 1-l As was achiev