24 



GENERAL INDEX. 



Subject. 



ArxnoR. 



Date. 



Cobalt Fluoniobate 



Copper " 



Calcium Niobate 



Carbides 



Carbon Tetrachloride, action on Niobic Anhydride. 

 Chlorides 



" Vapor density of 

 Columbite, Acids in 



" Action of Hydrofluoric Acid upon. 



Color reaction 



Compounds 



" Constitution of 



Constitution of minerals 



Composition of natural Niobate 



Constitution of minerals 



Crystallization of niobic anhydride. 

 DianicAcid 



Dianium. 



Dt'termination, Quantitative 



Discovery of element 



Effect of temperature on specilic weight _ 



Estimation 



Euxenite, Niobic acid in 



Ferrocyanide 



Flame reaction 



Fluorides 



Fluoniobates 



Granite, occurence in 



Gallium, separation from _ 



Hydrofluoric Acid, Action uu Columbite 

 Hvdrates 



Hydrogen peroxide, Action on oxides__ 

 Identitv of Columbium and Tantalum. 



'' Ilnie'nium and Niobium, 



Identification 



Ilmenic Acid 



" " in Pyrochlore and Columbite 

 " Acid ....'- 



Ilnienium 



" Identity with Niobium 



" Researches 



Santessox. 



JOLY 



DEMARgAY 

 KOSE, H 



Blomstrand 



ROSCOE 



Deville and Troost 



Rose, H 



Hermann 



GiBBS 



Levy 



Rose, H. 



Hermann :. 



11 



Rammellsberg -_. 



Knob 



Von Kobell 



Hermann _. 



Von Kobell 



Osborne 



Hatchett 



Rose, H 



Marignac 



scheerer 



Bong 



BUNSEN 



Rose, H 



Santesson 



Stelzner 



Boisbaudran 



GiBBS 



^Iakignac 



Santesson 



Weller 



wollaston 



Leonhard and Vo- 



GEL. 



Rose, H 



Hermann . 

 Rose, H. _. 



Peretz 



Hermann . 

 Marignac . 

 Hermann . 

 Rose, H. _. 

 Hermann 



