Atomic-absorption determination of rhodium in chromite concentrates

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Rhodium is determined in chromite concentrates by atomic absorption after concentration either by co-precipitation with tellurium formed by the reduction of tellurite with tin(II) chloride or by fire assay into a gold bead. Interelement interferences in the atomic-absorption determination are removed by buffering the solutions with lanthanum sulphate (lanthanum concentration 1%). Substantial amounts of Ag, Al, Au, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ho, Hg, K, La, Mg, Mn, Mo, Na, Ni, Pb, Te, Ti, V, Y, Zn and platinum metals can be tolerated. A lower limit of approximately 0.07 ppm Rh can be determined in a 3-g sample. ?? 1969.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Atomic-absorption determination of rhodium in chromite concentrates
Series title Talanta
Volume 16
Issue 11
Year Published 1969
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Talanta
First page 1461
Last page 1465