The presence of manganese in South African coals is well known, but no figures on the manganese content of these coals or their ashes were hitherto available. In this paper the manganese content of 33 South African coals is reported, and some information about the behavior of manganese during specific gravity separations is given.
Reference:
Kunstmann, F. & Van Rensburg, M. 1967. The manganese content of South African coals. http://hdl.handle.net/10204/12960 .
Kunstmann, F., & Van Rensburg, M. (1967). The manganese content of South African coals Retrieved from http://hdl.handle.net/10204/12960
Kunstmann, FH, and MJJ Van Rensburg The manganese content of South African coals. 1967. http://hdl.handle.net/10204/12960
Kunstmann F, Van Rensburg M. The manganese content of South African coals. 1967 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12960