21S Flint — liesearches upon the Complexity of Tellurium. 

 Plan vf the Second Fractionation. 





500- + grras. TeO, 







HCl + H,0 





p, 



i 





TeO, 



NII.OH + I1C,H,0, 



Te6, 

 HCl + HO, 





P., 



1 





TeO, 



NH.OH + HCJI3O, 



TeO, 

 HCl + H,0 



1 



P, 



1 

 P3 





TeO, 



NH,OH + HC,n30, 



1 



P„ 



TeO, 



HCl + H,0 





P, 



1 





TeO, 



NH^H + Heat 





white 



1 1 

 P« F, 







Crystalline, NH,OH + 



Heat 





orange-colored | 

 8 grms. Pg 



1 



Fe 





Crystalline, 



NH^OH + HC,H30, 





yellow 

 2 grms. 



P.o 



Floccy, nearly 



white 

 HNO, + Heat 



Res. 



Pale green 



0-1 grm. 



being removed from the paper in any other way, and it was 

 consequently dissolved off by nitric acid (sp. gr. 1'25), the solu- 



