Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 4
... erbium , holmium , and thulium , are concentrated in the early fractions . Neodymium , which was present in the original solution in such slight amount that its absorption bands were not discernible , was concentrated in the later ...
... erbium , holmium , and thulium , are concentrated in the early fractions . Neodymium , which was present in the original solution in such slight amount that its absorption bands were not discernible , was concentrated in the later ...
Strona 20
... erbium that is nearly entirely free from the didymium group ; and , in the later fractions , yttrium that is quite free from the coloured earths of the erbium group , but is accompanied by any of the didymium group that may have been ...
... erbium that is nearly entirely free from the didymium group ; and , in the later fractions , yttrium that is quite free from the coloured earths of the erbium group , but is accompanied by any of the didymium group that may have been ...
Strona 21
... erbium and yttrium at opposite ends of the electrolytic fractionation , and in the concentration of the erbium earths practically free from the didymium group . TABLE VI . - Original Atomic Weight , 116'54 . Fraction No. Weight oxides ...
... erbium and yttrium at opposite ends of the electrolytic fractionation , and in the concentration of the erbium earths practically free from the didymium group . TABLE VI . - Original Atomic Weight , 116'54 . Fraction No. Weight oxides ...
Strona 28
... erbium groups and a trace of neodymium , but was free from thorium , cerium , and the more common elements . The average atomic weight of the earths in the mixture was 106 95. A neutral solution of the nitrates of these earths was ...
... erbium groups and a trace of neodymium , but was free from thorium , cerium , and the more common elements . The average atomic weight of the earths in the mixture was 106 95. A neutral solution of the nitrates of these earths was ...
Strona 29
... erbium , bolmium , and thulium , which results in a higher concentration of neodymium ( and yttrium ) in the last fractions . A third series of electrolyses in which the stirring was still more rapid showed further accentuation of the ...
... erbium , bolmium , and thulium , which results in a higher concentration of neodymium ( and yttrium ) in the last fractions . A third series of electrolyses in which the stirring was still more rapid showed further accentuation of the ...
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