Radiometric determination of sulfate
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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.
KeywordsBaSO4 Barium Sulfate Filter Disc Sulfate Recovery Radiometric Determination
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