Spectrophotometric determination of platinum with substituted pyrimidine-2-thiol |
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| Authors: | Bani Roy RP Singh Ajai K Singh |
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| Institution: | 1. Department of Chemistry, University of Delhi, Delhi-110 007 India;2. Indian Institute of Technology, New Delhi-110 016, India |
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| Abstract: | The yellow complex of Pt(IV) with 1-pyridyl-4,4,6-trimethyl-1H,4H-pyrimidine-2-thiol (PyTPT) which has maximum absorbance at 430 nm, is studied for the spectrophotometric determination of the metal. Molar absorptivity is 5000 liters mol?1 cm?1 and Sandell's sensitivity is 0.039 μg/cm2. The determination of Pt(IV) (2.8–8.4 ppm) in the presence of diverse ions is described. |
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