A simple differential titrator for automatic potentiometric titration at zero current, with two identical indicator electrodes |
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| Authors: | Ramirez A A Linares C J |
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| Institution: | Department of Analytical Chemistry, Faculty of Sciences, University of Granada, 18071 Granada, Spain. |
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| Abstract: | A simple differential titrator for automatic potentiometric titration at zero current, with two identical indicator electrodes, is described. The autoburette is a normal microburette connected to one tube of a peristaltic pump, and the differentiating system is a closed-flow circuit in a second tube of the pump, this tube containing two electrodes 5 cm apart. The apparatus has been applied to the determination of halides and sulphide-disulphide mixtures, with electrodes coated with an appropriate silver salt. |
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