fire assay

fire assay

[¦fīr ′as‚ā]
(materials)
Analysis of a metal-bearing material, especially gold and silver, by heating a sample with a suitable flux and weghing the resulting metal beads.
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References in periodicals archive ?
In conjunction,, the fire Assay for Au (using a 50 gram sample) with an AAS finish was carried out routinely on all samples submitted.
AnchorCert Analytical will present a detailed talk on 'Analysis of high purity gold by the Fire Assay method' at this year's LMBA Assaying and Refining Conference, to be held at The Royal Garden Hotel, Kensington, London from 19 to 22 March.
Contract notice: Providing dedicated hardware measures and fire assay techniques for aeronautical dga.
Trialling of leach-well assays, using significantly larger sample sizes than fire assays indicating 13% more gold than fire assay.
Business is heating up and expanding for SPJ Labs, Sudbury's only privately-run fire assay laboratory.
The author shows that fire assay can occasionally exhibit errors and suggests possible lines of investigation.