A simple, rapid, selective and sensitive spectrophotometric method for the determination of palladium is proposed using piperonal thiosemicarbazone (PATS) as a reagent. The reagent forms a 1:2 complex (Pd:Reagent) with palladium. The yellow complex is soluble in 32-40% ethanol and has an absorption maximum at 363 nm. Beer's law is obeyed upto 3.85 ppm of palladium and the optimum concentration range is 0.5-2.45 ppm of Pd. The molar absorptivity and Sandell's sensitivity are 3. 80 x 104 dm3 mol-1 cm -1 and 2.8 x 10-3 ?g cm-2, respectively. The experimental conditions for complete colour development and the interference from various ions are investigated. The method is used for the determination of palladium in its complexes and synthetic mixtures.

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dc.contributor.authorShetty, P.
dc.contributor.authorNityananda Shetty, A.N.
dc.contributor.authorGadag, R.V.
dc.date.accessioned2026-02-05T11:00:23Z
dc.date.issuedSpectrophotometric determination of palladium(II) using piperonal thiosemicarbazone
dc.description.abstract2003
dc.identifier.citationIndian Journal of Chemical Technology, 2003, 10, 3, pp. 287-290
dc.identifier.issn0971457X
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/27980
dc.subjectalcohol
dc.subjectpalladium
dc.subjectthiosemicarbazone derivative
dc.subjectaccuracy
dc.subjectarticle
dc.subjectchemical analysis
dc.subjectcomplex formation
dc.subjectconcentration response
dc.subjectsolubility
dc.subjectspectrophotometry
dc.subjectstoichiometry
dc.titleA simple, rapid, selective and sensitive spectrophotometric method for the determination of palladium is proposed using piperonal thiosemicarbazone (PATS) as a reagent. The reagent forms a 1:2 complex (Pd:Reagent) with palladium. The yellow complex is soluble in 32-40% ethanol and has an absorption maximum at 363 nm. Beer's law is obeyed upto 3.85 ppm of palladium and the optimum concentration range is 0.5-2.45 ppm of Pd. The molar absorptivity and Sandell's sensitivity are 3. 80 x 104 dm3 mol-1 cm -1 and 2.8 x 10-3 ?g cm-2, respectively. The experimental conditions for complete colour development and the interference from various ions are investigated. The method is used for the determination of palladium in its complexes and synthetic mixtures.

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