Spectrophotometric determination of palladium with pyridine-2-aldehyde-2-quinolylhydrazone

✍ Scribed by M.L. Heit; D.E. Ryan

• Publisher: Elsevier Science
• Year: 1966
• Tongue: English
• Weight: 315 KB
• Volume: 34
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/s0003-2670(00)89066-2

✦ Synopsis

HO'I'OM~TI~IC DETEI~MINATION 01; PALLADIUM \VITH I'YRIDINE-z-ALDEI~Y~~E-~-JZUINOLk'LIIYI~llrl%ONE* Many reagents for the colorimctric dctcrmination of J~allaclium have been proJ>oscd wliicli exhibit greater or less selectivity and sensitivity. Critical revie\v articlCS J+' BEAMISH ASI) MC:lsR'l>I< I*" discuss a variety of these methods up to March, 1957. Of the rcqents reJ>ortcd since 1957 for dctcmmining tract amounts of palladium, the suhstitutcd dithio-oxamides suggested by ~J~~coI~s ct al.:'-" seem to bc the most useful. Rcagcnts containing the nitrosophcnylamino grouJ> (c.g. fi-nitroso-diJ~henylanilinc) are tlie most sensitive for palladium, and Iinvc hccn successfully used for direct determination of SInill