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

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.