Flow-injection analysis of oxidizable species with reverse-pulse amperometric detection
โ Scribed by Joseph Wang; Howard D. Dewald
- Book ID
- 118993729
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 373 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0039-9140
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๐ SIMILAR VOLUMES
Alummmm was determined m a flow-llyection system mvolvmg the formation of the alummmmUII)-l,Zdihydroxyanthraqumone-3-sulphomc acid (DASA) complex at pH 9 0 and amperometrlc measurement of excess of DASA at +0 50 V on a gold electrode Electrode fouhng by adsorption of DASA oxldatlon products was mmum
Flow injection analysis (FIA) with amperometric detection is applied to the determination of cocaine. Flow parameters were optimised prior to electrode calibration: a detection potential of +l V vs. Ag/AgCYsat. KC1 and a flow rate of 2.5 ml min-' resulted adequate. A relative standard deviation of 1
Operating conditions for the determination of oxidizable inorganic anions by reversed-phase ion-pair chromatography with amperometric detection were optimized. Tetrabutylammonium hydroxide was selected as the ion-pairing agent, which was modified in situ on the reversed-phase stationary phase. The p