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A NOVEL METHOD FOR DETERMINATION OF TRACE AMOUNTS OF OXYCLOZANID IN THE PHARMACEUTICAL (LEVOZAIN) BY MOLECULAR AND FLAME ATOMIC ABSORPTION SPECTROPHOTOMETRY USING GOLD AS COMPLEXING METAL | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 51, Issue 2, 2010, Pages 228-235 | ||
| Authors | ||
| Shaima Mohammad Ali; Fattima Ali | ||
| Abstract | ||
| A simple, rapid and sensitive spectrophotometric methods for determination of trace amounts of (OXC) as (OXC-Au(III)) complex in octane as solvent for extraction the complex. The green-blue soluble product give maximum absorption at 705 nm, Beer’s law is obeyed over the concentration range of (5-35) g.ml-1 with (molar absorptivity = 1.606104 L.mol-1.cm-1), (r = 0.9981), (D.L = 0.0864 g.ml-1), (%RSD = 2.020), with UV-Vis method. When using indirect FAAS a linear range of (2-16) g.ml-1, (r = 0.9992), (%RSD = 2.667), (D.L = 0.0526 g.ml-1) with ( = 6.02105 L.mol-1cm-1). The optimum conditions for colour development are described. The proposed methods have been successfully applied for determination of (OXC) in bulk drug and pharmaceutical formulations. The common excipients and additives did not interfere in this method. | ||
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