Radiometric determination of sulfate |
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| Authors: | D C Bogen G A Welford |
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| Institution: | (1) Health and Safety Laboratory, U. S. Energy Research and Development Administration, 10014 New York, N.Y., (USA) |
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| Abstract: | A radiometric procedure for the determination of sulfate based upon the precipitation of barium sulfate is described with
a sensitivity of about 0.01 μg/ml. Carrier-free35SO4 is added to the sample to measure the chemical recovery. The sulfate is precipitated with an excess of barium having a known
specific activity of133Ba. The amount of133Ba determined by gamma counting is directly related by stoichiometry to the amount of sulfate in the precipitate. |
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