Assay

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Assay

Metal purity test to confirm that the metal meets the standards for trading on a commodities exchange (commodities exchange center).

Assay

To test precious metals for their purity. This is important to commodities and futures involving precious metals, in which the quality of the underlying metals must be specified in the contract.

assay

A test to determine the purity of gold, silver, or other precious metals. Metals used for delivery of futures contracts must be assayed to verify that they meet standards established by the exchange on which the contracts trade.
References in periodicals archive ?
A further three 2-assay tonne sample splits were taken and assayed by fire assay.
SJ-1 which is a 3 meter face sample which assayed 115 oz/tonne silver, 5.
The samples were assayed by fire assay techniques at McPhar Laboratories in Manila.
A second mineralized zone sub-paralleling the main Banang zone contains a 20 cm quartz vein with base metal sulphides which previously assayed 54 g/t gold.
Five grab samples collected and assayed by a potential joint venture partner returned values of 5.
This solution is then assayed using Reagents A and B on Roche's COBAS MIRA, COBAS MIRA S, or COBAS MIRA Plus chemistry system.