R.I. 5175
Experimental Production of High-Purity Cobalt - 1956
K.
K. Kershner1/
F. W. Hoertel1/
J. C. Stahl1/
In the pdf format this document has 15 pages and is 1272kb
Table of Contents
| Page | ||
| Summary | 1 | |
| Introduction | 1 | |
| Past work on production of cobalt | 2 | |
| Acknowledgments | 3 | |
| Preparation of high-purity cobalt electrolytes | 3 | |
| Experimental procedures | 4 | |
| Ion exchange resins | 4 | |
| Selective precipitation | 4 | |
| Electrolysis with controlled cathode potential | 6 | |
| Recommended procedure for purifying cobalt solutions | 10 | |
| Deposition of high-purity cobalt | 11 | |
| Electrolytic cobalt | 11 | |
| Production of ingot cobalt | 11 | |
1/ Chemist, Bureau of Mines, Rolla, Mo.