Studies in the tetraarylborates: Part II. The preparation and reagent properties of sodium tetrakis(p-fluorophenyl)borate,a selective reagent for cesium |
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| Authors: | Carl E. Moore Frank P. Cassaretto Harvey Posvic John J. McLafferty |
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| Affiliation: | Department of Chemistry, Loyola University, Chicago 26, Ill.U.S.A. |
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| Abstract: | Sodium tetrakis(p-fluorophenyl)borate has been synthesized and found to be a very selective gravimetric reagent for the determination of cesium. It formed precipitates with cesium, silver, thallium(I) and rubidium but not with potassium and ammonium ions. The cesium tetrakis(p-fluorophenyl)borate separated as a white crystalline compound, which was easily filterable. It achieved constant weight rapidly at 110° and showed no signs of decomposition after 18 h of drying. |
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