Platinum Metals. 



502 



0615 



Moissan, H. L'ebuUitionderosmium, 

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0620 RADIUM. 



Piudium. Letters from "The Times," 

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Becquerel, H. On some properties of 

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Bergell, P. Ge^vinnung der Radium- 

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Berthelot, il. L'absorption de I'azote 

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Synthese du quartz ame- 



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' Bronson, H. L. The effect of tempera- 

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Bronson, H. L. On the ionization 

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On the periods of trans- 

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Crookes, Sir W. The production of 

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et Laborde, A. La radio- 



activite des gaz qui proviennent de Peau 

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Curie, Mine Sklodowska. Recherchea 

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Danysz fila, J. Le plomb radioactif 

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Dienert, F. La radioactivite des 

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Dubois, E. Les raineraux radioactifs. 

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Elster, J. und Geitel, H. Abscheiduiig 

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Henrich, F. Radiotellur. Erlangen, 

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