Potentiometric determination of the activity of fluoride ion in aqueous solutions at high pressure and high temperature |
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| Authors: | B. A. Bilal and P. Langer |
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| Affiliation: | (1) Geochemical Working Group, Hahn-Meitner-Institut Berlin GmbH, Glienicker Strasse 100, D-1000 Berlin 39 |
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| Abstract: | Summary A fluoride membrane electrode is described for the determination of the activity of fluoride ion in aqueous solutions at high pressure and elevated temperature. An Ag/AgCl electrode is used as a reference. The cell described has a linear potential at temperatures up to 200 °C and pressures up to 1 kbar. The interference of OH– is only noticeable at fluoride concentration cf–  10–5 m in the temperature region between 175 °C and 200 °C.
Potentiometrische Bestimmung der Aktivität des Fluorid-Ions in wäßrigen Lösungen bei hohem Druck und hoher Temperatur |
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