Spectrophotometric study of the chelate of palladium(II) with methylthymol blue |
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Authors: | KC Srivastava Samir K Banerji |
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Institution: | Chemical Laboratories, Birla Institute of Technology & Science, Pilani, Rajasthan, India |
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Abstract: | Methylthymol blue reacts very sensitively with palladium(II) to form two complexes. The 1:1 complex has λmax at 530 nm in acidity range 0.02 to 0.05 M with respect to perchloric acid and 1:2 (metal reagent ratio) complex at 500 nm in pH range 6.8 to 7.5. Optimum conditions including the range for adherence to Beer's law, effect of pH, effect of excess reagent and sensitivity are reported for the photometric determination of palladium using methylthymol blue. |
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