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 ?
It had four 18.9 L pitfall traps (one every 5 m) and was located on the northern end of Boehler Lake (34.16936 [degrees] N, 95.88889 [degrees] W).
It is thought Tim was caught in the trap in Honley Old Wood, off Wood Bottom Road in Netherton.
Box traps or live traps is what I would like to cover next.
"Gin traps are mechanical traps designed to catch an animal by its leg, using spring-operated jaws with teeth or a serrated edge.
In the trap check frequency study, the interval between checks (F = 0.66; df = 3, 52; P = 0.58) did not significantly affect trap catch (Table 1).
To determine whether American lobsters inside the trap inhibited the entry of approaching lobsters, half-entries, defined as any instance in which a lobster made contact with the mesh funnel of the kitchen entrance but did not fully enter the kitchen (Jury et al., 2001), were quantified.
Material examined.--CAR, Dzanga-Sangha Special Reserve, Bayanga-Lidjombo, PK 21 toward south-west, Genitalia Roy 4247, UV trap 16.VI.1998 ([male]) (Collector PA) (RCNM); Dzanga-Sangha Special Reserve, Bayanga, platform on the canopy 54m, "Ayous" Triplochiton scleroxylon, Sterculariaceae, UV trap 13.X.2008 (2[male]) (Collector PA) (IDM); Dzanga-Sangha Special Reserve, Bayanga, platform on the canopy 54m, "Ayous" Triplochiton scleroxylon, Sterculariaceae, UV trap 14.X.2008 ([male]) (Collector PA) (IDM); Dzanga-Ndoki NP, Lake 1, platform on the canopy 38m, "Azobe" Lophira alata, Ochnaceae, UVtrap 12.11.2012 ([male]) (Collector NM and PA) (IDM).
leucopus among the different trap types ([F.sub.2,63] = 1.02, p = 0.366; Table 1), nor was there a difference in the total number of P.
2008, 2010), including extensive trapping experiments, we know that trap capture in female-baited traps in some locations can be as high as 150 males per night (J.
Biologists have observed that pitcher plants "have pretty lousy traps," says Ulrike Bauer of the University of Bristol in England.
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