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The cathodic electrochemiluminescence (ECL) of peroxydisulphate (S2O82−)–ciprofloxacin (CPF) system at a wax‐impregnated graphite electrode was studied. When CPF was absent, S2O82− was electrochemically reduced to sulphate free radical (SO4•−), and dissolved oxygen absorbed on the electrode surface was reduced to protonated superoxide anion radical (HO2•). The HO2• was oxidized by SO4•− to produce...
A flow-injection chemiluminescence (CL) method is described for the determination of fluoroquinolones including ciprofloxacin, norfloxacin and ofloxacin. The method is based on the enhancement by these compounds of the weak CL from peroxynitrous acid. The linear ranges are 1.0x10 -7 to 1.0x10 -5 moll -1 for ciprofloxacin and norfloxacin, and 3.0x10 - ...
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