Fire Assay-emission Spectrographic Determination of Iridium, Ruthenium, and Osmium.
Broadhead-KG; Piper-BC; Heady-HH
Appl Spectroscopy 1972 26(4):461-467
This paper describes a fire assay-spectrographic method for determining microgram levels of ir, ru, and os in ores and concentrates. Radio-tracers are used to monitor the recovery of these metals in a 10 mg pt bead during the normal fire assaying procedure.
Appl. Spectroscopy, V. 26, No. 4, July-August, 1972, PP. 461-467