Determination of metallic iron in a mixture of lime, calcium sulphide and pyrrhotite.
A method is described for the determination of metallic iron in a complex matrix consisting of calcium oxide, calcium sulphide, carbon and pyrrhotite. The procedure consists of leaching the sample with 5% ammonium chloride solution (10% sucrose solution in some cases) followed by treatment with mercury(II) chloride solution and titration with dichromate solution.
Sastri
V S
VS
Metallurgical Chemistry Section, Physical Sciences Laboratory, Mineral Sciences Laboratories, CANMET, Department of Energy, Mines and Resources. 333 Lebreton Street, Ottawa, Canada.