Assay definition

Assay means a laboratory analysis of Crude Petroleum to include the following: A.P.I. Gravity, Reid vapor pressure, composition, pour point, water and sediment content, sulfur content, viscosity, distillation, hydrogen sulfide, flash/boiling point and other characteristics as may be required by Carrier.
Assay means to test ores or minerals by chemical or other methods for the purpose of determining the amount of valuable metals contained.
Assay in economic geology, means to analyse the proportions of metal in a rock or overburden sample; to test an ore or mineral for composition, purity, weight or other properties of commercial interest.

Examples of Assay in a sentence

  • Assay for lipid peroxides in animal tissues by thiobarbituric acid reaction.

  • Experimental/calculated data:Mouse Local Lymph Node Assay (LLNA) mouse: Non-sensitizing.

  • However, for a TB contact investigation, a TST or Interferon Gamma Release Assay (IGRA) is required.

  • A TB testing method of either a TB skin test (TST) or Interferon Gamma Release Assay (IGRA) may be used for pre-deployment and annual re-screening of all U.S. Citizens employed under the contract.

  • When seeding iscomplete, place the assay plate at room temperature for 30 min.5. Move assay plate to a humidified 37ºC 5% CO2 incubator for 18-24 h.6. Next day, prepare Assay buffer (HBSS, 20mM HEPES, 2.5 mM Probenicid, pH 7.4) and Loading buffer (Assay buffer with 5 mM Fluo8 Dye).


More Definitions of Assay

Assay or “Assay results” means the analysis of minerals, rocks and mine products to determine and quantify their constituent parts
Assay means a chemical test undertaken to determine the purity of a sample of gold.
Assay means an investigative analytical process in medicine, pharmacology or biology that aims to identify either the qualitative or quantitative presence or function of the analytical target, which can be a drug or biochemical substance or a cell in an organism or organic sample
Assay means to test minerals by chemical or other methods for determining the amount of metals contained therein. “claim” means a mining interest giving its holder the right to prospect, explore for and exploit minerals within a defined area.
Assay means to test ores or minerals by chemical or other methods for the purpose of determining the amount of valuable metals contained. "breccia" means rock consisting of fragments, more or less angular, in a matrix of finer-grained material or of cementing material.
Assay means any of the Level I Assays, the Level II Assays, the Level IIIP Assays, or the Level IIIXC Assays as defined below.
Assay means to test the Articles for Fineness and “Assayed” and “Assaying” shall be construed accordingly.