ED 703
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 Micro LC UV/Vis
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        ED 703 ElectroChemical Detector with conductive diamond electrodes

Conductive diamond electrodes classified into carbon electrodes are becoming increasingly attractive as a new electrode material, particularly in the electroanalytical field.









Highly boron-doped diamond electrodes outperform glassy carbon electrodes, due to their greater stability, low background current, and wide potential window. The synthesized diamonds are polycrystalline thin film, and the surface roughness of the conductive boron-doped diamond is ca. 100 nm so that it is available to apply as a working electrode of a flow cell in flow injection analysis (FIA) and HPLC.







Diamond electrodes can be regenerated in on-line mode without disassembling the flow cell and polishing the electrode. To produce a strongly oxidant hydroxyl radical at the surface of diamond electrodes, apply a relatively high potential, 3.5 V vs Ag/AgCl in acidic solution and 2.7 V vs Ag/AgCl in alkaline solution. Though depending on the fouling level, the applied time can typically be few seconds to 20 minutes.



























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