Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
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Strona 31
... Erbium Moderately strong 650 ) 642 ( 6 ) Holmium Very light band I 641 ) 582 ( c ) Didymium Very light band 0.5 576 540 Erbium Well defined 538 537 ( e ) Holmium Well defined 535 523 ( f ) Erbium Very heavy and well defined . ΤΟ 517 487 ...
... Erbium Moderately strong 650 ) 642 ( 6 ) Holmium Very light band I 641 ) 582 ( c ) Didymium Very light band 0.5 576 540 Erbium Well defined 538 537 ( e ) Holmium Well defined 535 523 ( f ) Erbium Very heavy and well defined . ΤΟ 517 487 ...
Strona 40
... erbium in fractions 5 , 6 , and 7. Erbium seemed also to concentrate slightly in fraction 2. The equivalent weights show a concentration of ytterbium in the first , and yttrium in the last fractions . giving the following fractions ...
... erbium in fractions 5 , 6 , and 7. Erbium seemed also to concentrate slightly in fraction 2. The equivalent weights show a concentration of ytterbium in the first , and yttrium in the last fractions . giving the following fractions ...
Strona 41
... erbium from the early portion of the series and places it toward the end of the series with the remainder of the erbium . In a recent in- vestigation of the action of picric acid as an agent for the fractionation of the earths from ...
... erbium from the early portion of the series and places it toward the end of the series with the remainder of the erbium . In a recent in- vestigation of the action of picric acid as an agent for the fractionation of the earths from ...
Strona 110
... erbium . The thulium red band was not distinct . These mother - liquors were diluted , and all the earths precipitated as oxalates by adding a boiling solution of oxalic acid . The precipitate was filtered off , washed , and ignited to ...
... erbium . The thulium red band was not distinct . These mother - liquors were diluted , and all the earths precipitated as oxalates by adding a boiling solution of oxalic acid . The precipitate was filtered off , washed , and ignited to ...
Strona 111
... erbium . Thulium was extremely weak . Small quantities of neodymium and samarium , and prob . ably a minute amount ... erbium , holmium , and dys- prosium were practically absent . Fraction 4 , the most soluble , showed an entirely ...
... erbium . Thulium was extremely weak . Small quantities of neodymium and samarium , and prob . ably a minute amount ... erbium , holmium , and dys- prosium were practically absent . Fraction 4 , the most soluble , showed an entirely ...
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