Abstract
Thin-layer Chromatographic behaviour of magnesium, calcium, strontium and barium on diethylaminoethyl cellulose has been investigated in methanol-nitric acid mixtures. R f values are in the order magnesium > calcium > strontium > barium. The differences in R f values are large enough to allow good separations of the four metal ions from each other. The best separation is obtained by the ascending technique with methanol-8 M nitric acid (20:1, v v ).
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