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Polarographic determination of proguanil and chlorhexidine
F T Vert1, F V Pedros, J M Calatayud
1Facultad de Ciencias Químicas, Universidad de Valencia, Burjasot(Valencia, España.
Abstract:
The method is based on the cathodic wave obtained for chlorhexidine and proguanil in buffered aqueous dimethylformamide media. Concentrations up to 8 x 10(-5) and 6 x 10(-4)M, respectively, can be determined. The difference in behaviour at various pH values or in the presence of surface-active agents, is useful for characterization of both biguanides.
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