TLIXE OF PROCESS 



[n, Ni, Co, Zn. P0„ Ca. Ba 



and Mof. 



If PO 



with (XH,X,MoO,. ("^ ^^ 



^e PO4 ions ^yith 



Itrate may contain 



IS of : / 



n, Ni, Co, Ba. Sr, / 



i,Mg. 



)mbiue with filtrate {a). 



:ecipitate may consist 01 

 id dil. HCI. (1 : 5) and filt 



Residue, 

 XiS 

 and 

 CoS. 



Usual 

 paration 



Filtrate con tain 

 Mn and Zn. A 

 XaOH and filte: 



Precipitate : 

 Mn(OHX,. 

 Fuse with 

 Na^COg. 

 Green colora- 

 tion indicates 

 :\in. 



i^i 

 tai: 



