SummaryThe quantitative CE analysis of fluorine and monofluorophosDhate in toothpastes is described. Separation is performed hexane as internal standard), separated on a DC 200 packed column, and detected bv flame ionization (FID).using a Waters CIA-Pak chemistry kit with Waters Electro Osmotic Flow Modifiers on a CE instrument from Spectra Physics (Spectra-phoresis 500) at elevated temperatures up to 40°C and at a low temperature of 10"C.The quantitative results and the simplicity are compared for the CE method, the existing standard GC procedure described in the Official Journal of the European Communities, and the procedure employing a fluoride-ion-specific electrode.
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