Abstract
Ion-selective electrodes using poly(vinyl chloride) membranes impregnated with a gold(III)-triisobutylphosphine sulfide complex are described. These electrodes were characterized in both conventional and flow-through tubular configurations. The response of the electrodes was Nernstian for thiocyanate and tetrachloroaurate(III) and the detection limit was 1.1 × 10-6 mol dm-3. Flow-through tubular electrodes were used as potentiometric detectors in flow-injection analysis, resulting in a reproducible (peak heights within ± 1 mV for three repeated injections at a given concentration level) and rapid (sample throughputs around 80 h-1) technique for the determination of both anions.
Original language | English (US) |
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Pages (from-to) | 2421-2425 |
Number of pages | 5 |
Journal | The Analyst |
Volume | 119 |
Issue number | 11 |
DOIs | |
State | Published - Dec 1 1994 |
Externally published | Yes |
ASJC Scopus subject areas
- Analytical Chemistry
- Biochemistry
- Environmental Chemistry
- Spectroscopy
- Electrochemistry