引用本文:
杨功俊, 王胤, 杨晨, 胡效亚, 冷宗周. 碳糊电极线性扫描伏安法测定α-甲基多巴[J]. 应用化学,
2000, 17(4): 433-435.
Citation: YANG Gong-Jun, WANG Cheng-Yin, YANG Chen, HU Xiao-Ya, LENG Zong-Zhou. Determination of α-Methyldopa by Linear Sweep Voltammetry on Carbon Paste Electrode[J]. Chinese Journal of Applied Chemistry, 2000, 17(4): 433-435.
Citation: YANG Gong-Jun, WANG Cheng-Yin, YANG Chen, HU Xiao-Ya, LENG Zong-Zhou. Determination of α-Methyldopa by Linear Sweep Voltammetry on Carbon Paste Electrode[J]. Chinese Journal of Applied Chemistry, 2000, 17(4): 433-435.
碳糊电极线性扫描伏安法测定α-甲基多巴
English
Determination of α-Methyldopa by Linear Sweep Voltammetry on Carbon Paste Electrode
Abstract:
T-Methyldopa is determined by linear sweep voltammetry on a carbon paste electrode in 0.1 mol/L H2SO4. The peak potential of anode is 0.677 V(vs SCE). A good linear range of T-methyldopa is in 5.0×10-7~1.0×10-4 mol/L. The detection limit is 2.5×10-7 mol/L. The recovery is 95.0%~103.7% and RSD is 2.8%(n=12). The electrode reaction of T-methyldopa is an irreversible process with two electrons and two protons on the carbon paste electrode.
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Key words:
- T-methyldopa
- / carbon paste electrode
- / linear sweep voltammetry
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