assay number

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English-Russian dictionary of geology. 2011.

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  • Assay ton — A weight of 29.166 + grams used in assaying, for convenience. Since it bears the same relation to the milligram that a ton of 2000 avoirdupois pounds does to the troy ounce, the weight in milligrams of precious metal obtained from an assay ton of …   The Collaborative International Dictionary of English

  • Assay — An assay is a procedure where a property or concentration of an analyte is measured.There are numerous types of assays, such as an antigen capture assay, bioassay, competitive protein binding assay, crude oil assay, four point assay, immunoassay …   Wikipedia

  • assay ton — (AT)    a specialized unit of mass used by minerologists in assaying (testing) ores for the presence of gold, silver, platinum, uranium, or other valuable metals. One assay ton equals 29.1667 grams: just a little over an an ounce! The assay ton… …   Dictionary of units of measurement

  • assay ton — noun : a unit of weight of ore taken for assay equal to 29166 2/3 milligrams, the number of milligrams of precious metal in this amount of ore being equal to the number of troy ounces per 2000 pound ton * * * a unit of weight used in assaying ore …   Useful english dictionary

  • Multiplex (assay) — For other uses of multiplex, see multiplex (disambiguation). A multiplex assay is a type of laboratory procedure that simultaneously measures multiple analytes (dozens or more) in a single assay. It is distinguished from procedures that measure… …   Wikipedia

  • Crude oil assay — A crude oil assay is essentially the chemical evaluation of crude oil feedstocks by petroleum testing laboratories. Each crude oil type has unique molecular, chemical characteristics. No crude oil type is identical and there are crucial… …   Wikipedia

  • Secretion assay — is a process used in cell biology to identify cells that are secreting a particular protein (usually a cytokine). It was first developed by Manz et al. in 1995. Usually, a cell that is secreting the protein of interest is isolated using an… …   Wikipedia

  • Enzyme assay — Beckman DU640 UV/Vis spectrophotometer. Enzyme assays are laboratory methods for measuring enzymatic activity. They are vital for the study of enzyme kinetics and enzyme inhibition. Contents …   Wikipedia

  • Metallurgical assay — A 19th century assay laboratory in Tombstone Courthouse State Historic Park, Arizona …   Wikipedia

  • Chemotaxis assay — Chemotaxis assays are experimental tools for evaluation of chemotactic ability of prokaryotic or eukaryotic cells. A wide variety of techniques are known and applied for such reason. Some of them qualitative and investigator can determine whether …   Wikipedia

  • Branched DNA assay — In biology, a branched DNA assay is a test for specific nucleic acid chains typically used to detect Retroviruses such as HIVcite journal author = Murphy, D. G.; Gonin, P.; Fauvel, M. year = 1999 title = Reproducibility and Performance of the… …   Wikipedia

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