Powell, Howard E. <br/><br/>
Solvent extraction of nickel and zinc from a waste phosphate solution 

 - Washington  Bureau of Mines  1970 
 - 14 p.  il  27 cm 
 - RI  7336 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>zinc<br/>nickel
<br/><br/><label>Universal Decimal Class. No.: </label>669