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SPECTROPHOTOMETRIC ASSAY OF SOME SULPHONAMIDE DRUGS VIA OXIDATIVE COUPLING | ||
| AL-TAQANI | ||
| Article 1, Volume 22, Issue 2, 2009, Pages 9-16 | ||
| Authors | ||
| Saladdin M.AL. Talib; Deia. A.A Youns; Razan Y. Q. Al; | ||
| Abstract | ||
| sulphonamide drugs in aqueous solution is described. The method is based on the oxidative coupling reaction of phenothiazine with sulphonamide drugs in the presence of N-chlorosuccinimide as oxidizing agent forming an intense green, water- soluble dye and has a maximum absorption at 610 nm. The molar absorptivities range from 16.23×103 to 25.99×103 l.mol-1. cm-1 and Sandell sensitivities range from 0.986 X 10-2 to 1.542×10-2 μg .cm-2. The method is applied successfully for the determination of sulphonamide drugs in bulk and some of their pharmaceutical preparations with comparable to the standard method (Bratton-Marshall). | ||
| Keywords | ||
| Sulphonamide drugs determination; phenothiazine; spectrophotometric | ||
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