引用本文:
Jun LIU, Zong Hua WANG, Yi Ming WANG, Guo An LUO, Han Wen SUN. Nanosized SnO2 Particles Dispersed on a Graphite Electrode for Selective Detection of Dopamine and Ascorbic Acid[J]. Chinese Chemical Letters,
2002, 13(8): 765-768.
Citation: Jun LIU, Zong Hua WANG, Yi Ming WANG, Guo An LUO, Han Wen SUN. Nanosized SnO2 Particles Dispersed on a Graphite Electrode for Selective Detection of Dopamine and Ascorbic Acid[J]. Chinese Chemical Letters, 2002, 13(8): 765-768.
Citation: Jun LIU, Zong Hua WANG, Yi Ming WANG, Guo An LUO, Han Wen SUN. Nanosized SnO2 Particles Dispersed on a Graphite Electrode for Selective Detection of Dopamine and Ascorbic Acid[J]. Chinese Chemical Letters, 2002, 13(8): 765-768.
Nanosized SnO2 Particles Dispersed on a Graphite Electrode for Selective Detection of Dopamine and Ascorbic Acid
摘要:
A novel nano-SnO2/graphite electrode has been prepared via polishing procedure to produce active and stable surface. The modified electrode resolves the overlapping voltammetric response of dopamine and ascorbic acid into two well-defined peaks by 230 mV. The mechanism of discrimination of dopamine from ascorbic acid is discussed. Dopamine and ascorbic acid can be determined simultaneously with the modified electrode. The electrode shows good sensitivity, selectivity and stability.
English
Nanosized SnO2 Particles Dispersed on a Graphite Electrode for Selective Detection of Dopamine and Ascorbic Acid
Abstract:
A novel nano-SnO2/graphite electrode has been prepared via polishing procedure to produce active and stable surface. The modified electrode resolves the overlapping voltammetric response of dopamine and ascorbic acid into two well-defined peaks by 230 mV. The mechanism of discrimination of dopamine from ascorbic acid is discussed. Dopamine and ascorbic acid can be determined simultaneously with the modified electrode. The electrode shows good sensitivity, selectivity and stability.
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Key words:
- Nano-SnO2/graphite electrode
- / dopamine
- / ascorbic Acid
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