Summary
The method of multielement preconcentration of impurities from high-purity lead utilizing an extraction Chromatographie separation in tri-n-octylamine-HCl system is developed. Unlike a well-known procedure based on precipitation of lead nitrate this method is applicable to very small samples. Being used in combination with the precipitation procedure mentioned, this method provides a considerable increase in the effectiveness of the latter.
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Grazhulene, S.S., Nagy, V.Y., Orlova, T.A. et al. Extraction chromatography preconcentration of impurities from high purity lead. Mikrochim Acta 86, 153–160 (1985). https://doi.org/10.1007/BF01197814
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DOI: https://doi.org/10.1007/BF01197814