Abstract
BY fractional crystallisation of lead assay foil, about 300 grams in all, two end fractions, each weighing about 60 grams, were obtained. These fractions were then purified according to Stas's method. For the density determinations, about ten grams of each was melted in an atmosphere of hydrogen and allowed to solidify in a vacuum. The densities of samples prepared in this way were determined in specific gravity bottles.
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ATKINSON, R. Separation of Common Lead into Fractions of Different Density. Nature 112, 282 (1923). https://doi.org/10.1038/112282b0
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DOI: https://doi.org/10.1038/112282b0
