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dc.contributor.authorKarthikeyan, J.
dc.contributor.authorParameshwara, Naik, P.
dc.contributor.authorNityananda, Shetty, A.
dc.identifier.citationJournal of the Indian Chemical Society, 2013, Vol.90, 8, pp.1061-1068en_US
dc.description.abstractp-[N,N-Bis(2-chloroethyl)amino]benzaldehyde thiosemicarbazone is proposed as an analytical reagent for the spectrophotometric determination of platinum(IV). The reagent forms yellow colored complex with platinum(IV) in the concentration range of 0.016-0.080 M hydrochloric acid medium. Beer's law is obeyed in the concentration range up to 12.48 ?g cm-3. The optimum concentration range for minimum photometric error as determined by Ringbom's plot method is 3.12-10.92 ?g cm-3. The yellowish Pt IV-reagent complex shows a maximum absorbance at 390 nm, with molar absorptivity of 2.05 104 dm3 mol-1 cm-1 and Sandell's sensitivity of the complex from Beer's data, for D = 0.001, is 0.012 ?g cm-2. The composition of the Pt IV-CEABT complex is found to be 1:2 (M:L) by Job's method and by mole-ratio method. The relative error and coefficient of variation (n = 6) of the method does not exceed 0.80% and 0.32% respectively. The interference of various cations and anions in the method were studied. The proposed method was successfully used for the determination of PtIV in alloys, catalysts, complexes, environmental and pharmaceutical samples. The method is rapid as the PtIV-CEABT complex is soluble in water-ethanol-DMF medium and not requiring any time consuming extraction method for the complex.en_US
dc.titleSingle step determination of platinum(IV) in alloys, catalysts, complexes, environmental and pharmaceutical samples using p-[N,N-bis(2-chloroethyl)amino] benzaldehyde thiosemicarbazoneen_US
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