Lignite recovery of cobalt [3-plus] from an ammoniacal ammonium sulfate solution 
by G.J. Slavens ... [ et al.] 
 - [Avondale, Md.]  U.S. Dept. of the Interior, Bureau of Mines  [1984] 
 - 12 p.  ill.  28 cm. 
 - Report of investigations  8870 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cobalt--Metallurgy<br/>Lignite<br/>Ammonium sulphate
<br/><br/><label>Dewey Class. No.: </label>622 s