Abstract
Electrochemically modified electrodes based on gallium arsenide (GaAs) were designed for the potentiometric determination of mercaptans in raw hydrocarbons. The main electrochemical characteristics (linearity range of the electrode function, limit of detection, and slope of electrode function) were studied. The argentometric titration of mercaptans in a gas condensate was performed using the GaAs electrodes prior to and after modification. The use of the electrochemically modified electrode ensures a more reliable determination of the titration end-point.
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