Assay

(redirected from assayed)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.

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 ?
Heparinplasma samples were assayed according to the manufacturer's instructions.
The cells were incubated in the presence or absence of increasing concentrations of [E.sub.2] or the environmental chemicals for 12 hr; extracts were then assayed for luciferase activity.
Because of the extremely sensitive assay concept, the EDTA-whole blood samples used in the correlation studies were diluted 400-fold before being assayed to cover a CRP concentration range of 0.064-1200 mg/L.
In subsequent studies, UC 1 was assayed at 20, 50, 100, 150, and 200 [micro]L, and UC 2 was assayed at 20, 40, 50, 60, 80, and 100 [micor]L; protein concentrations were derived by extrapolation of the absorbance values from a calibration curve.
The samples were assayed along side patient samples and the Amplicor HCV Monitor kit positive control in regular clinical runs for HCV viral load determination.
Serum samples from 15 AMI patients collected at different times after their arrival at the hospital for chest pain were assayed simultaneously with the three assays calibrated with the TIC complex.
To avoid the questions of sample stability and drug metabolism, FK-506 was assayed the same day by both methods.