- 作者: K. C. Srivastava
- 作者服務機構: Chemistry Department, Birla Institute of Technology and Science Pilani, Rajasthan, India
- 中文摘要: A new, sensitive spectrophotometric method for the determination of palladium(II) with methylthymol blue has been developed. The palladium methylthymol blue complex has an absorption maximum at 530 nm. The colour reaction has a sensitivity of 0.005μg of palladium/cm2 and obeys Beer’s Law over the range 0.4 to 3.24 ppm of palladium. The effects of concentration of perchloric acid, reagent, heating, stability of colour and diverse ions have been investigated. the ratio of metal: ligand in the complex is 1:1 and the formation constant was calculated to be 1.18×10.. .
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