Determination of Fluorine in Marine Carbonate Rocks by Pyrohydrolysis-Ion Selective Electrode Method
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ABSTRACT
A method for the determination of fluorine in marine carbonate rocks by ion selective electrode with pyrohydrolysis sample pretreatment has been developed. The detection limit of the method is 25.1 μg/g for fluorine and the recovery is 83.80%~107.90% with precision of 5.28%RSD (n=11). The method has been applied to the determination of fluorine in marine carbonate rock samples with satisfactory results and provides the advantages of high efficiency and simple operation.
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