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Potentiometric titration of sulphate, sulphite and dithionate mixtures, with use of a lead ion-selective electrode |
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| Authors: | Siskos P A Diamandis E P Gillieron E Colbert J C |
| Institution: | Laboratory of Analytical Chemistry, University of Athens, 104 Solonos St., Athens 144, Greece Chemical Thermodynamics Division, Center for Chemical Physics, National Bureau of Standards, Washington, DC 20234, U.S.A. |
| Abstract: | Simple methods are described for the analysis of sulphate, sulphite and dithionate mixtures by potentiometric titration with lead perchlorate (and use of a lead ion-selective electrode). The error and precision are both about 2–5% for the sulphate concentration range 3 × 10?3 ?6 × 10?4M. The sulphur content in fuels derived from refuse was determined by potentiometric titration after bomb-combustion and the results compared favourably with those from the standard BaSO4 gravimetric method. |
| Keywords: | Author for correspondence |
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