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- W3134779239 abstract "Abstract Background Fluoride content of environmental water samples collected from the vicinity of Pilanesberg National Park was determined using a fluoride ion selective electrode (F − ISE). Different total ionic strength adjustment buffers (TISABs) EDTA, CDTA, Citrate and Acetate buffers, were compared for their effectiveness in releasing fluorine into the solution in its ionic form, by adjusting the pH and ionic strength of the solution, as well as by chelating polyvalent cations present in the samples. Nine water samples were collected from different sites around the park, where there is a decommissioned fluorspar mine, and an extinct volcano; for fluoride content. Quantification was carried out by means of multipoint calibration covering the range of interest in all treatments. Result The fluoride concentration was calculated using the Nernest equation with values obtained from the calibration graph. It was found that CDTA and EDTA buffers were the best TISABs as they produced a better linearity, slope and recovery in that order, where as the other acetate also produced better parameters and results than the untreated water samples. Conclusion CDTA and EDTA TISAB solutions perform better than the others for fluoride content determination from environmental water samples." @default.
- W3134779239 created "2021-03-15" @default.
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- W3134779239 date "2021-03-03" @default.
- W3134779239 modified "2023-09-27" @default.
- W3134779239 title "Comparison of Different Total Ionic Strength Adjustment Buffer Compositions for Determination of Low Level Fluoride in Environmental Water Samples with Fluoride Ion Selective Electrode" @default.
- W3134779239 doi "https://doi.org/10.21203/rs.3.rs-231958/v1" @default.
- W3134779239 hasPublicationYear "2021" @default.
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