Abstract
An aged solution of Po/sup 210/ stored in 1 N HNO/sub 3/ was chromatographed with butanol- N HCl and two adjacent peaks were found. Chromatograms of mixtures oi Bi(III), Hg(II), Au(III), Tl(III), and Po/sup 210/ in amyl alcohol-2 N HCl and butanol-N HCl clearly showed that the second spot could not be due to any of the metals. The presence of higher or lower valences of Po was suspected and chromatograms were run of Po mixed with either FeCl/sub 2/ or K/sub 2/Cr/sub 2/OT/sub 7/and develop ed with butanol-HCl. While FeCl/sub 2/ failed to remove the slower spot, it disappeared after betng mtxed with dichromate. It thus seems that the second activity peak of the chromatogram is most likely the hydrolysts product. It is suggested that chromatography with betanol-N HCl can serve for the detection of hydrolysis of Po in HNO/sub 3/ solutions. (P.C.H.)
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