- 作者: J. N. Srivastava; R. P. Singh
- 作者服務機構: Department of Chemistry, University of Delhi, Delhi 110007 (India)
- 中文摘要: Thiotropolone forms a brown water-insoluble complex with copper(II), extractable into chloroform and other non-polar solvents. The 1:2 complex shows maximum absorption at 450 nm and obeys Beer’s law upto 4.55 ppm. The sensitivity of the reaction is 0.0046μg Cu(II)/cm2 for log I0/I=0.001 with molar absorptivity of 1.36×10.. . the usefulness of the procedure has been enhanced to the determination of copper in various alloys and synthetic mixtures.
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