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Fatima K. Aziz
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Medicine & Pharmacology

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Simple, Selective and Sensitive Spectrophotometric Method for Determination of Trace Amounts of Lead (II), Cademum (II), Cobalt (II) with Organomercury Compounds Fatima K. Aziz
Journal of Global Pharma Technology Volume 12 Issue 06 (2020) June 2020
Publisher : Journal of Global Pharma Technology

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Abstract

A selective and sensitive reagent of 2-{[(2-mercurychlorid, 4-methylphenylImino] methyl} phenol (K) was synthesized and studied for the spectrophotometric determination of Lead, Cademum, and cobalt, in detail. At a pH value (7), which greatly increased the selectivity; lead, cademume, cobalt, reacted with (K)to form a 1:1, 1:1, and 1:1 complexes, with absorption peaks at 394, 394, 389 nm, respectively. Under the optimal conditions, Beer’s law was obeyed over the ranges (1X10-6, 1X10-5, 1X10 -4, 1x10-3 1X10-2) mg/L respectively. The apparent molar absorptivity and Sandell’s sensitivities were (0.3, 0.1, 0.2) L·mol-1·cm-1 respectively, and0.027, 0.05, 0.013) μg·cm-2respectively the detection limits were found to be be0.052, 0.036, 0.039) mg/L respectively.
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