The principles of determining radioisotope 210pb by liquid scintillation counting were combined with a solvent extraction method for lead using tri-n-octylamine (tnoa) to form a rapid method of analysis of lead containing solutions. The solutions, containing parts per million lead and 210pb tracer, are the results of a project on the study of the dissolution behavior of lead-antimony anodes during the electrowinning of copper. The method is being used on a routine basis on both sulfate and nitrate solutions containing copper concentrations from 0 to over 100 g/l.
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