Citation: Yang LIU, Zhi Ying LI, Jing Hong LI. Determination of Dopamine in the Presence of Ascorbic Acid on the IrO₂-Ta₂O₅ Type DSA Electrode[J]. Chinese Chemical Letters, ;2005, 16(1): 64-66. shu

Determination of Dopamine in the Presence of Ascorbic Acid on the IrO₂-Ta₂O₅ Type DSA Electrode

State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 27 November 2003

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 20125513), 100 People Plan from Chinese Academy of Sciences.

IrO₂/Ta₂O₅ (70%:30%, molar ratio) electrodes (ITEs) were prepared by the thermal decomposition method. Typical "mud-cracked" surface and surface enrichment of Ta were observed. The determination of dopamine (DA) was carried out in the presence of ascorbic acid (AA). The detection limit of DA was 5×10^-5mol/L without the interference of AA.
- Dopamine,
- ascorbic acid,
- determination,
- DSA.
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