Plan of the First IVactionation. 



500 grras. purified Te 

 Oxidized by HNO, 



600. + <;rms. TeO.^ 

 HCl + 11,0 



I'. F, 



TeO„ 

 HCl 4- H,0 



i ^, 



TeO, 

 IICl + H ,0 



TeO, 

 HCl + H,0 



Sample P4 ^ 4 



UNO TeO, 



2TeO,.HN03 

 Te = 126-6 



HCl 4- H,0 



P Fe 



TeO, 

 HCl + H,0 



P Fc 



TeO, 

 HCl + H,0 



\ ' 



P, F, 



TeO, 

 HCl + H,0 



Ps 



F« 

 Boiled 



TeO, 

 HCl + H,0 



P Sample F, 



I 7 



TeO, HNO3 



P„ F,„ 

 TeC, 

 HCl + H,0 



2TeO,.HNO, 

 Te = 125-4 



1 



P,o 



TeO, 

 HNO3 



F 

 NH.OH +'HC,H30, 



2TeO,.HNO, 



P 



TeO, 



Te = 124-3 





