Atomic-absorption determination of rhodium in chromite concentrates
Talanta
By: M. M. Schnepfe and F. S. Grimaldi
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Abstract
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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Atomic-absorption determination of rhodium in chromite concentrates |
| Series title | Talanta |
| DOI | 10.1016/0039-9140(69)80197-9 |
| Volume | 16 |
| Issue | 11 |
| Year Published | 1969 |
| Language | English |
| Publisher | Elsevier |
| Description | 5 p. |
| First page | 1461 |
| Last page | 1465 |
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