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- W2995089318 abstract "Simple and very sensitive spectrofluorimetric methods weredeveloped for determination of adrenaline (I)–procainehydrochloride (II) mixture and salbutamol sulfate (III) –guaifenesin (IV) mixture. Adrenaline (I) in the first mixture wasdetermined by coupling with 5-diazo-1,2,4-triazolo-3-carboxylicacid (DTCA) reagent in alkaline medium forming fluorigenicproduct which can be measured at 340 nm (ex. 245 nm), whileprocaine hydrochloride (II) gave no fluorescence. Salbutamolsulfate (III) was analyzed by reaction with ethyl acetoacetate(EAA) forming coumarin derivative, which can be measured at 320nm (ex. 280 nm). Guaifenesin (IV), the second drug in mixture has a considerable native fluorescence in methanol was measured at310 nm (ex. 230 nm). All variables affecting reaction conditionswere optimized. Linear correlations were obtained over the rangeof 19-100, 37-400 and 22-150 ng/ml for (I), (III) and (IV),respectively. The proposed methods were successfully applied forthe analysis of the studied drugs in their pure and commercialdosage forms and the obtained results were in good agreement withthose obtained from the reported methods; no significant differencein the accuracy and precision as revealed by the accepted values oft- and F-tests, respectively." @default.
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- W2995089318 date "2008-12-31" @default.
- W2995089318 modified "2023-09-24" @default.
- W2995089318 title "UTILITY OF CERTAIN SPECTROFLUORIMETRIC METHODS FOR ANALYSIS OF TWO PHARMACEUTICAL BINARY MIXTURES" @default.
- W2995089318 doi "https://doi.org/10.21608/bfsa.2008.64223" @default.
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