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Determination of platinum and rhodium in Pt-Rh catalysts by TLC in situ (CROSBI ID 181966)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Šoljić, Zvonimir ; Jurlina, S. Determination of platinum and rhodium in Pt-Rh catalysts by TLC in situ // Journal of liquid chromatography & related technologies, 19 (1996), 5; 815-821. doi: 10.1080/10826079608005539

Podaci o odgovornosti

Šoljić, Zvonimir ; Jurlina, S.

engleski

Determination of platinum and rhodium in Pt-Rh catalysts by TLC in situ

Favourable chromatographic conditions for separation of Pt and Rh were achieved on microcrystalline cellulose with solvent system methylisobutyl ketone - conc. HCl (40+60, v/v) and KI in ethanol as detection reagent ; narow, compact and coloured bands on white background (RF 0.44 for Rh and 0.76 for Pt) were obtained. Convenient conditions for photometry in situ (maximum absorption at 480 nm for Rh and 510 nm for Pt ; range of linearity from 0.06 μg/cm to about 1.5 μg/cm) were also established. Worked out procedure was employed to analyze standard solutions and samples of catalysts (ingots). Results obtained have shown that the method is sufficienthly accurate and suitable for simultaneous quantitative determination of Pt and Rh.

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Podaci o izdanju

19 (5)

1996.

815-821

objavljeno

1082-6076

10.1080/10826079608005539

Povezanost rada

Kemija

Poveznice
Indeksiranost