Abstract
Selectivity, sensitivity, and wide dynamic range are all displayed by the dual electrochemical detector for use with liquid chromatography. Exhibiting a linear range of about 105, it is, at the same time, capable of sensing sub-picomole quantities of certain species. Moreover, only those compounds which display electroactivity (oxidation or reduction) at the chosen potential(s) are detected.Two distinctive modes of operation are available with the dual detector. For compounds which overlap chromatographically, but have differing electrochemical formal potentials, the system offers an instrumental separation. For routine investigations, the system provides significant time reductions without causing proportionate increases in cost.
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