Abstract
Clean and rapid analytical separation of microgram quantities of Ge(IV), Sn(II), Pb(II) and Zn(II), Cd(II), Hg(II) from their mixed solution has been made possible by ascending thin-layer chromatography using the solvent systems: (a)Isobutyl alcohol: Conc. HCl: Et-Me ketone and (b) Isobutyl alcohol: CH3COOH. For the evaluation of different metal ions, the resulting delineated spots as viewed in U.V. light were scooped out with the help of micro-vacuum cleaner and the collected material transferred to the paper set on the ring oven. Separate rings were obtained for individual metal ions and the computation of results having been made by ring colorimetry, using PTC and other chromogenic reagents.
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