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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

assay

[′a‚sā]
(analytical chemistry)
Qualitative or quantitative determination of the components of a material, as an ore or a drug.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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