A polarographic method for fluoride |
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| Affiliation: | 1. Radioanalytical Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India;2. Fuel Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India;3. Analytical Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India;4. Post Irradiation Examination Division, Bhabha Atomic Research Centre, Mumbai 400 085, India;5. HomiBhabha National Institute, Mumbai 400 094, India;1. Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand;2. Cluster of Excellence on Biodiversity-Based Economics and Society (B.BES-CMU), Chiang Mai University, Chiang Mai, 50200, Thailand;3. Center of Excellence for Innovation in Analytical Science and Technology (I-ANALY-S-T), Chiang Mai University, Chiang Mai, 50200, Thailand;4. Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan;5. Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand;1. Chemistry Department, Faculty of Science, Cairo University, 12613 Giza, Egypt;2. Egypt Nanotechnology Center, Cairo University, El-Sheikh Zayed, 12588 Giza, Egypt |
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| Abstract: | A polarographic method is proposed for the determination of fluoride, based on the action of fluoride on a complex formed between thorium and o-nitrobenzenearsonic acid. Increasing amounts of fluoride liberate increasing amounts of the organic compound, of which the polarographic wave is utilised. The wave-height therefore increases with increasing amounts of fluoride, in contrast to existing polarographic methods for the ion. |
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