Truter, G.J.; Louw, J.G.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E.
(Published by The Government Printer, Pretoria, 1952)
A method of preparing low-fluorine water solutions of superphosphate as
a source of phosphate for farm animals is described. It consists of the preparation
of a concentrated solution, sedimentation of the insoluble ...