Chromium-51 in Sea Water: Chemistry

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Science  08 Apr 1966:
Vol. 152, Issue 3719, pp. 202-203
DOI: 10.1126/science.152.3719.202


Chromium-SI introduced into the Pacific Ocean from the Columbia River remains in the hexavalent state. Analysis of this radionuclide in sea water by hydroxide coprecipitation with iron is best accomplished if the chromium-51 is first reduced to the trivalent state.