Chemical News and Journal of Industrial Science, Tomy 115-116Chemical news office., 1917 |
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Strona 187
... erbium at the soluble end and holmium at the insoluble end . The fractions in this series were almost colourless . Concentra- tion of yttrium was sought in this series which contained more material than any of the others . Series B ...
... erbium at the soluble end and holmium at the insoluble end . The fractions in this series were almost colourless . Concentra- tion of yttrium was sought in this series which contained more material than any of the others . Series B ...
Strona 188
... erbium and to contain only erbium and yttrium . The atomic weight was found by the per- manganate method to be 162 34 , which indicated an erbium content of about 93 per cent . Several fractions from this series , of composition very ...
... erbium and to contain only erbium and yttrium . The atomic weight was found by the per- manganate method to be 162 34 , which indicated an erbium content of about 93 per cent . Several fractions from this series , of composition very ...
Strona 189
... erbium ( Journ . Am . Chem . Soc . , 1915 , xxxvii . , 2642 ) , and owing to the facts that the separation of yttrium from erbium was rapid , and that neodymium collected in the most soluble fractions , further investigations were ...
... erbium ( Journ . Am . Chem . Soc . , 1915 , xxxvii . , 2642 ) , and owing to the facts that the separation of yttrium from erbium was rapid , and that neodymium collected in the most soluble fractions , further investigations were ...
Strona 190
... erbium . In Fraction II . holmium and dysprosium were still very strong , neodymium was weak , and there was a trace of erbium . Fraction III . showed strong neodymium , dysprosium , and holmium bands . There was a slight trace of erbium ...
... erbium . In Fraction II . holmium and dysprosium were still very strong , neodymium was weak , and there was a trace of erbium . Fraction III . showed strong neodymium , dysprosium , and holmium bands . There was a slight trace of erbium ...
Strona 195
... erbium ( 68 ) . Dush j not nearly so rapidly as did the neodymium and praseo- man ( Gen. Elec . Rev. , 1915 , xviii . , 614 ) mentions the fact that in Moseley's table the order of atomic numbers in the case of dysprosium and holmium is ...
... erbium ( 68 ) . Dush j not nearly so rapidly as did the neodymium and praseo- man ( Gen. Elec . Rev. , 1915 , xviii . , 614 ) mentions the fact that in Moseley's table the order of atomic numbers in the case of dysprosium and holmium is ...
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