Oxine is usually used for accurate determination of most metals specially in acidic solutions. The present work was directed towards the complexing of both oxine and phosphate to get a more powerful chelating agent. The complexing of metals from the fust tIansition series with this oxine derivative was studied with the effect of pH on its stability. The confmnation of the structures were done using JR, UV, NMR and the Mass spectra. The limits of pH at which the transformation between the keto- to enol form occurs has been given.
E EL SAWI ,M A S MONSHI ,M F EL SHAHAT ,M Z MOSTAFA ,
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