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  • Webster's Revised Unabridged Dictionary
    • n Assaying The act or process of testing, esp. of analyzing or examining metals and ores, to determine the proportion of pure metal.
    • ***
Century Dictionary and Cyclopedia
    • n assaying The act or art of testing metals, ores, or alloys in order to ascertain the quantity of gold or silver or any other metal present in them. There are two modes of assaying, one of which is sometimes employed to corroborate the other. The one is called the humid or wet process, in which the solution of the metals is effected by means of acids, after which those sought for are precipitated by proper reagents. The other is called the dry process, and is performed by the agency of fire. The first is generally employed for the purpose of estimating the quantity of gold or silver in an alloy, and the second is chiefly applied to ores. Tests are also made by comparison of specific gravities, and by the color of the streak or trace made by rubbing the ore upon a rough surface. In Great Britain each article of silver or gold plate is assayed at Goldsmiths Hall previously to being sold, in order to determine the exact richness of the metal of which it is made. See hall-mark.
    • n assaying In chem., this term is usually applied to the ascertainment of the presence and amount of one or more metals in a given substance, and commonly refers to the precious metals, gold and silver. But it is sometimes used in the more general sense, the testing or examination of any substance, as, for example, the determination of the proportion of pure sulphur in a sample of the crude material.
    • ***
Chambers's Twentieth Century Dictionary
    • Assaying the process of assaying or determining the proportion of pure metal in an ore or alloy
    • ***


Chambers's Twentieth Century Dictionary
O. Fr. assayer, n. assai. See Essay.


In literature:

Therewith Sir Ector assayed to pull out the sword, and failed.
"Stories of King Arthur and His Knights" by U. Waldo Cutler
When you haue found this one certaine Drop of Naturall veritie, procede on, to Inferre, and duely to make assay, of matter depending.
"The Mathematicall Praeface to Elements of Geometrie of Euclid of Megara" by John Dee
Now would I liefer keep within compass according to my smaller conditions than assay to rival the success of my kinsman Knut.
"The Sagas of Olaf Tryggvason and of Harald The Tyrant (Harald Haardraade)" by Snorri Sturluson
It was but the work of a moment to loosen the hitch about her ankles and she assayed to rise.
"Prairie Flowers" by James B. Hendryx
Revised, Corrected, and considerably Enlarged, with a chapter on the Assaying of Fuel, &c. By A.
"In the Forbidden Land" by Arnold Henry Savage Landor
If we liken them to gold, she has made her assay and says the gold is pure.
"Jesus the Christ" by James Edward Talmage
High-grade ore too, we fancy; but we'll know more about that when we hear from the assayer.
"The Highgrader" by William MacLeod Raine
Virtue must be proved by temptation, and gold comes forth purer from the hands of the assayer.
"Clarimonde" by Théophile Gautier
A friend of mine brought down some sand from the sea-beach near Victoria, and assayed it the other day.
"Handbook to the new Gold-fields" by R. M. Ballantyne
We see in it a bold but rude assay at government.
"Blackwood's Edinburgh Magazine, Volume 61, No. 378, April, 1847" by Various
Assay has gone through the fragments literally piece by piece.
"Gold in the Sky" by Alan Edward Nourse
Out of the return of the twenty assayers of the different smelters, probably not a half per cent.
"Chambers's Edinburgh Journal, No. 458" by Various
Average assay .6235 per cubic yard.
"The Man from the Bitter Roots" by Caroline Lockhart
So one of them brought him the "specimen" and left it for assay.
"Seven and Nine years Among the Camanches and Apaches" by Edwin Eastman
After reaching the surface we visited the assaying offices, and watched the experiments for testing the richness of ores.
"The Last Voyage" by Lady (Annie Allnutt) Brassey
I've been unable to learn anything about it since I saw the results of the first assays.
"For the Allinson Honor" by Harold Bindloss
Not for some day I make the assay more.
"Nelly's Silver Mine" by Helen Hunt Jackson
The gold is of the finest quality, assaying over eighteen dollars an ounce.
"Alaska" by Ella Higginson
It saves, therefore, the delay and expense of testing the weight and fineness by assay, etc.
"The Value of Money" by Benjamin M. Anderson, Jr.
The method is sometimes employed in the assay of gold.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2" by Various

In poetry:

I cannot eat a bit of bread in peace,
I cannot take a wink of sleep at ease,
I cannot drink, or any work begin,
But he assays to turn it all to sin.
"A Prayer Against The Temptations, And Assaults Of The Devil" by Rees Prichard
I saw the doubtful scene; the hard assay,
The daring crown'd with victory at last;
I saw the ancient forest fall away,
I saw the little empire spreading fast.
"To The Muse. L'Envoi" by James Avis Bartley
'I shall assay,' said Gareth with a smile
That maddened her, and away she flashed again
Down the long avenues of a boundless wood,
And Gareth following was again beknaved.
"Gareth And Lynette" by Alfred Lord Tennyson
"I make mine avow," said Little John,
"These strok-es liketh well me.
Thou art a bold man and an hardy,
And so thinketh me;
And ere I pass from this place,
Assayed better shalt thou be."
"Robin Hood" by Henry Morley
At length for sleep a weary assay,
On the lone couch wearily!
Rising at midnight again to pray,
Wearily, wearily!
And if through the dark dear eyes looked in,
Sending them far as a thought of sin!
"If I Were A Monk, And If Thou Wert A Nun" by George MacDonald
Through what long heaviness, assayed in what strange fire,
Have these white monks been brought into the way of peace,
Despising the world's wisdom and the world's desire,
Which from the body of this death bring no release?
"Carthusians" by Ernest Christopher Dowson

In news:

Label-Free Assays for High-Throughput Monoclonal Antibody Characterization .
Chimera Biotec develops and markets solutions for bio-analytical assays based on Imperacer®, an innovative assay system for ultra-sensitive analyte detection.
CIT to Distribute Stemina's hESC-Based Toxicity Assay.
Roche, Technoclone Partner to Develop Coagulation Assays.
Proteins and Transcreener® GDP Assay.
Label-Free Protein Assays for Process Development, Kinetic Characterization, Protein Folding, and Crystallization Screens.
Cynvenio Awarded Two SBIR Contracts to Develop Lung Cancer Assays Using CTC Platform.
Brazil Clears Quest's Simplexa Dengue Assay on 3M Integrated Cycler .
Sebia Supports Inserm on Development of Routine Beta Thalassemia Diagnostic Assay .
EC Clears PCR-Electrophoresis Assay Platform and C. Biotechnology from bench to business.
INDIGO Biosciences, Inc, the industry's leading provider of cell-based nuclear receptor reporter assay products and services, has added all nine retinoid receptor assays to the company's significant suite of kits and screening services.
Affymetrix, Leica Forge Pact for Single-Copy RNA ISH Tissue Assay for Research Use.
Roche announced this week the US market availability of the Elecsys HE4 assay, an FDA approved test used in monitoring patients with ovarian cancer.
Using Molecular Assays for Breast Cancer in the Clinic.
The assay can then be used to screen a library of druggable compounds to identify molecules that can displace the fluorescent ligand or modify receptor conformation.

In science:

Fieller, E. (1944). A fundamental formula in the statistics of biological assays and some applications.
A Geometric Approach to Confidence Sets for Ratios: Fieller's Theorem, Generalizations, and Bootstrap
SWNT fluorophores in protein assays by many orders of magnitude.
Carbon Nanotubes in Biology and Medicine: in vitro and in vivo Detection, Imaging and Drug Delivery
Oops they did it again! Carbon nanotubes hoax scientists in viability assays.
Carbon Nanotubes in Biology and Medicine: in vitro and in vivo Detection, Imaging and Drug Delivery
The paper reports several experiments using different techniques including northern blotting, yeast two hybrid and electrophoretic mobility shift assays.
ppiTrim: Constructing non-redundant and up-to-date interactomes
The simulations, conducted in the blind with respect to the signal analysis, have yielded agreement with run results to within estimate uncertainties, in the process generating additional radio-assays and construction checks towards their selfimprovement.
The radiopurity assays have been carried out in the Canfranc Laboratory for the lead and copper components of the shielding.
Direct detection of WIMPs with conventional (non-cryogenic) detectors. Experimental review
Chemical assays of the D2O indicate that the change in attenuation can be attributed to trace levels of contaminants.
Electron Energy Spectra, Fluxes, and Day-Night Asymmetries of $^{8}$B Solar Neutrinos from the 391-Day Salt Phase SNO Data Set
In particular, the possible presence of organic complexes in the salt phase, as well as measured increases in Mn contamination, likely associated with the MnOx assays discussed below, are correlated with the increase in the attenuation coefficients.
Electron Energy Spectra, Fluxes, and Day-Night Asymmetries of $^{8}$B Solar Neutrinos from the 391-Day Salt Phase SNO Data Set
During the final period of the salt phase, no MnO x assay (Sec.
Electron Energy Spectra, Fluxes, and Day-Night Asymmetries of $^{8}$B Solar Neutrinos from the 391-Day Salt Phase SNO Data Set
Over the entire salt phase, 16 MnOx and 6 HTiO assays were conducted at regular intervals.
Electron Energy Spectra, Fluxes, and Day-Night Asymmetries of $^{8}$B Solar Neutrinos from the 391-Day Salt Phase SNO Data Set
TABLE XI: 224Ra assay results for elements of the D2O systems, compared to the total activity measured in the complete system.
Electron Energy Spectra, Fluxes, and Day-Night Asymmetries of $^{8}$B Solar Neutrinos from the 391-Day Salt Phase SNO Data Set
Palacios et al., A PC-based discrete tomography imaging software system for assaying radioactive waste containers, Nucl.
On the difference between solutions of discrete tomography problems
This is useful because proximity in DNA binding is not sufficient to infer combinatorial interactions, and they cannot be readily probed by traditional methods (e.g., knockouts) or highthroughput expression assays (e.g., microarray data).
Geometric Characteristics of Dynamic Correlations for Combinatorial Regulation in Gene Expression Noise
Temple & Ellenberg (2000) and Hypericum Depression Trial Study Group (2004)), to ensure for assay sensitivity of the trial.
The assessment and planning of non-inferiority trials for retention of effect hypotheses - towards a general approach
Future progress will require sensitive and high resolution assays of the molecular ISM in these and other ring galaxies, which will be possible with ALMA and CARMA.
Why Are Ring Galaxies Interesting?