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  • Monday, June 1, 1992
  • Differential pulse polarography and voltammetry of di-2-pyridyl ketone benzoylhydrazone
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  • The differential pulse polarographic (DPP) and voltammetric (DPV) behaviour of di-2-pyridyl ketone benzoylhydrazone (DPKBH), has been investigated over a wide pH range (2.1–11.5). The effect of various operational parameters on the reduction current are discussed and the mechanism of the electrode reaction is also included. Both methods DPP and DPV are applied for the analytical determination of this reagent and the detection limits are found to be 1.24 mgrmol/l and 0.86 mgrmol/l, respectively. The DPP behaviour of DPKBH in the presence of Pb(II), Cd(II) and Cu(II) is studied and the behaviour of the Cu(II)-DPKBH complex is fully investigated. The voltammetric determination of Cu(II), based on the accumulation of its complex at the hanging mercury drop electrode, is described. Statistical analysis of the calibration curve data is included.


    Fresenius' Journal of Analytical Chemistry, Volume 344, Number 6 / June, 1992


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Moh. Abu- Alkheir Ibrahim Hannoun
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