Uptake of fluoride by serpentine |
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| Authors: | KV Rao D Purushottam D Vaidyanadham |
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| Institution: | Geological Survey of India S.R.O., Chemical Division, Hyderabad 500048, India |
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| Abstract: | Fluoride uptake by serpentine depends on a number of parameters, viz. the chemical composition of serpentine, its particle size, pH of the medium, etc. Exchangeable (OH)? in serpentine minerals is essential for fluoride uptake. Data are also presented indicating the existence of an equilibrium between the fluoride concentrations in the solution and that taken up by serpentine over a wide range of experimental conditions. The available evidence strongly suggests the proxy of F? for (OH)? group as contributing to the principal mechanism of the process. |
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