Micro Determination of Palladium (II) with Reagent (Antipyriyl azo 1-Nitroso-2-naphthol as a Chelating Reagent by Spectrophotometric Methods

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Muthanna Journal of Pure Sciences – MJPS


VOL.(3), NO.(2), 2016

Masar A.Awad
Department of Chemistry, Faculty of Science, Muthanna University



A new, simple, sensitive and rapid spectrophotometric method is proposed for the determination of
trace amount of palladium (II). The method is based on the formation of a 1:1complex with 3-(4′- antipyriyl azo) 1- nitroso-2-naphthol (APANN) as a new reagent is developed . The complex has a maximum absorption at 436.5 nm and εmax of 0.19 x105 L. mol-1. cm-1. A linear correlation (0.1–2.0 μg. ml-1) was found between absorbance at λmax and concentration.

Keywords: palladium (II) determination, Azo dyes, pyrazolen azo, spectrophotometric methods.

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