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 ?
Kohler (a highly regarded private assayer) be appointed state assayer.
The hype, the prepublication publicity, and high-level support made Galileo's The Assayer (1623) a success even before it was published (27).
A later stage in that dispute led to The Assayer, which appeared in 1623.
261) After an exceptionally insightful discussion of the patronage dynamics surrounding the Medicean stars and the Starry Messenger, Biagioli proceeds to an equally insightful analysis of the dynamics surrounding the dispute over buoyancy (conceived as "science at a cleared table," that is, "the lunchtime dispute on buoyancy at the table of the grand duke"), and, still later, the controversy over comets and the significance of the Assayer.
He had earlier written a most laudatory ode in honor of Galileo, and after coming to the throne he welcomed Galileo in several audiences, gave him gifts, and accepted the dedication of one of Galileo's major works, The Assayer.
Burilladas, the word given for the zigzag markings made by a burin when the assayer took some metal to test for the standard of purity, is often regarded as proof of authenticity.
The assayer was instructed to retain all "pulp" material for each sample sent to them for processing and assaying.
establishment of qualifications list for architect services, engineer services, landscape architect services, assayer services, geologist services and land surveying services.
Having trained to become an assayer, analysing minerals and ores to determine their worth, Paxton became assay master at Fort William in Bengal.
It is well known that Galileo replied to Grassi's work by publishing The Assayer, in which he established the distinction between primary and secondary qualities which led to the suspicion of heresy described in the anonymous manuscript.
The firm, which started life as a gold assayer in London in the early 19th century, uses platinum to make catalytic converters for vehicles.
Annual salaries for mint employees were to be $2,000 for the director; $1,500 each for the assayer and chief coiner; $1,200 each for the engraver and treasurer, and for clerks, "not exceeding $500.