Analysis of gold, platinum or palladium

Details Analysis of gold, platinum or palladium Analysis of gold, platinum or palladium

1988-03-28

1990-08-28

Warden, Robert J.

Chemistry: analytical and immunological testing

Metal or metal containing

Cu, ag, au

436 84, 436161, 436177, 2101982, 210635, 210656, G01N 3320, B01D 1508

Patent

active

049525140

ABSTRACT:
A method for the analysis of a metal selected from gold, palladium and platinum, when present in solution as cyanide complex, using ion-interaction reverse phase liquid chomatography comprising concentrating the metal cyanide complex on a reverse phase concentrator column, washing the concentrator column to reduce the concentration of interfering species, stripping the metal cyanide complex onto an analytical reverse phase column, eluting the metal cyanide complex from the column, detecting and determining the concentration of the metal in solution by reference to suitable standards. This method has particular utility in the analysis of gold, platinum and palladium bearing cyanide solutions that arise in the carbon-in-pulp method of gold recovery. An apparatus which permits the rapid, accurate analysis of samples using this method is also disclosed.

REFERENCES:
patent: 4780113 (1988-10-01), Koslow
Hilton et al., J. of Chromatograph, 361 (1986), pp. 141-150.

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