assay

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assay

1. 
a. an analysis, esp a determination of the amount of metal in an ore or the amounts of impurities in a precious metal
b. (as modifier): an assay office
2. a substance undergoing an analysis
3. a written report on the results of an analysis

assay

[′a‚sā]
(analytical chemistry)
Qualitative or quantitative determination of the components of a material, as an ore or a drug.
References in periodicals archive ?
The two trenches, 120 meters apart, were completed and assayed in 2001 by the Hainan Comprehensive Geological Exploration Institute.
The Company's channel sample of a 3-foot-wide quartz vein assayed 0.
Gold samples were fire assayed with a gravimetric finish.
Surface sampling of the Eagle Vein system over a length of 14 meters has assayed at an average grade of 9.
Recent work includes assaying for Platinum Group Metals, with surface grab samples assayed up to 13.
Drill cuttings were dried, crushed to -10 mesh, split to 1,000 grams, pulverized to -150 mesh, split to 250 - 300 gram pulps, fire assayed for gold and silver using one assay ton fire assay with gravimetric finish.
The report summarized below was commissioned in light of the recent experience of irregular sampling procedures by other companies and on account of significant results from drill hole PL-21 on the Island Gold Property in which one of the three zones encountered assayed 1.