Abstract
The construction and characterization of a dual working-electrode electrochemical detector are described. A comparison of this cell in the dual working-electrode mode and the single working electrode mode for reversible and quasireversible couples shows a 6-fold improvement in the signal-to-noise ratio. The electrodes are made from low-temperature isotropic carbon. Hexacyanoferrate(II), norepinephrine, epinephrine and 3,4-dihydroxybenzylamine were used as subtances.
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