Determination of trace amounts of water in propylene carbonate using the proton isoconcentration technique
Direct potentiometry of the system propylene carbonate (PC) - 0-1 m/m water -10 -3 M perchloric acid as a solution in glacial acetic acid, using glass pH and silver - silver chloride reference electrodes with a filling solution of saturated tetraethylammonium chloride in PC, shows a large systematic...
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| Main Authors: | , , |
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| Format: | Article |
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The Analyst
1987
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| Online Access: | http://eprints.um.edu.my/7103/ http://www.scopus.com/inward/record.url?eid=2-s2.0-37049087378&partnerID=40&md5=b792edd118e3de95931c92b34c056559 |
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| Summary: | Direct potentiometry of the system propylene carbonate (PC) - 0-1 m/m water -10 -3 M perchloric acid as a solution in glacial acetic acid, using glass pH and silver - silver chloride reference electrodes with a filling solution of saturated tetraethylammonium chloride in PC, shows a large systematic change in potential with variations in water concentration. This technique allows the fast and accurate determination of residual water in binary propylene carbonate mixtures. |
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