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
โฆ LIBER โฆ
Determination of sulphite in wines by gas-diffusion flow injection analysis utilizing spectrophotometric pH-detection
โ Scribed by L.G. Decnop-Weever; J.C. Kraak
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 656 KB
- Volume
- 337
- Category
- Article
- ISSN
- 0003-2670
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## Abstract A sensitive analytical method based on gasโdiffusion flow injection system for ammonium ion determination at trace levels with capacitively coupled contactless conductivity detection (C^4^D) is described. The effects of the chemical composition of the acceptor stream, operating frequenc