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 ?
The current resource estimate for the Goldboro project was calculated from the results of conventional fire assaying on 30 gram fractions of one-half split diamond drill core samples (of BQ and NQ-size) from the 278 historical drill holes completed.
Assaying of 2004 samples reported in this news release is being carried out and certified by ACME Labs (Pb-FA for platinum, palladium and gold) and ALS Chemex (nickel, copper, cobalt and sulphur, (Total) by sodium peroxide fusion followed by ICP-AES), both of Vancouver, BC.
With globalization continuing to expose a larger number of people to a variety of unfamiliar pathogens, the need for directly assaying the specific molecular structure of viruses and bacteria is expected to drive this growing market," notes Ajmani.
All samples were shipped to ALS Chemex of Vancouver, Canada for assaying.