Direct and Derivative Spectrophotometric Determination of Pd (II) Using 3,5-Dimethoxy-4-hydroxybenzaldehyde benzoylhydrazone(DMBBH) in Presence of Micellar Medium
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Abstract
A simple and sensitive spectrophotometric method has been developed for the determination of Palladium(II) using 3,5-Dimethoxy-4-
hydroxy benzaldehyde benzoyl hydrazone (DMBBH) in a neutral surfactant of Triton X-100(5%) (micellar medium). Palladium (II) forms
an yellow coloured water soluble complex with the reagent in acidic medium pH 4.25. The molar absorptivity and Sandell’s sensitivity of coloured species are 1.86 x 104 L.mol-1 cm-1 and 0.0054 µg/cm2 respectively. Beer’s law is obeyed in the range 0.266-3.1926 µg/ml of Pd(II) at λmax at 376 nm. The developed derivative spectrophotometric method was employed for the determination of palladium (II). This method has been satisfactorily applied for the determination of palladium (II) in Alloys and hydrogenation catalyst .
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