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 ?
We detected brevetoxin activity at each of the three doses, as well as the amount of activity, which we determined via receptor assay by fitting the unknown to a standard curve.
To optimize and validate the interaction assay, we performed GST pull-down assays in the presence of [E.