The effect of acetone on calomel formation on a mercury film electrode surface in chloride medium

In the presence of chloride ions, calomel formation takes place on the merc ury thin film electrodes under open-circuit conditions, which leads to high base currents and erratic performance in ASV measurements. This study desc ribes the effect of chloride concentration on the calomel formation on the surface by following the cathodic peak on the anodic scan. The effect of ac etone on the surface reaction and baseline stability was studied. Applicati on of the method with a sea water sample is also given.