Voltammetric determination of N,N'-DINITROSOPIPERAZINE (cas 140-79-4) in simulated gastric juice
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Add time:09/30/2019 Source:infona.pl
A voltammetric method has been developed for the determination of N,N'-DINITROSOPIPERAZINE (cas 140-79-4) (DNPZ) in simulated gastric juice. The method is based on measuring the differential pulse polarographic peak produced in pH 3 Britton Robinson buffer. A well defined, diffusion-controlled cathodic wave was obtained at -0.77 V versus Ag/AgCl over the range 0.4-24 μg/ml with minimum detectability (S/N=2) of 0.072 μg/ml (5x10 - 7 M). The proposed method was successfully applied to study the possible in vivo production of the nitroso-derivatives of piperazine under the standard nitrosation reaction conditions recommended by WHO. The method has some distinct advantages over the reported GC methods.
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