- testing reagent
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English-French dictionary of law, politics, economics & finance. Jean-Daniel Katz. 2010.
testing reagent
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Reagent — Reagents, such as sulfur (pictured), are the starting materials that are used in chemical reactions. A reagent is a substance or compound that is added to a system in order to bring about a chemical reaction or is added to see if a reaction… … Wikipedia
Reagent — A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances. * * * Any substance added to a solution of another substance to participate in a chemical reaction. [Mod. L. reagens] amino acid r. a r. used in… … Medical dictionary
reagent strip — a strip of paper impregnated with a reagent to a given substance, used in testing for that substance in a body fluid or other secretion … Medical dictionary
Testing — Test Test, v. t. [imp. & p. p. {Tested}; p. pr. & vb. n. {Testing}.] 1. (Metal.) To refine, as gold or silver, in a test, or cupel; to subject to cupellation. [1913 Webster] 2. To put to the proof; to prove the truth, genuineness, or quality of… … The Collaborative International Dictionary of English
reagent chemicals — High purity chemicals used for analytical reactions, for testing of new reactions where the effect of impurities are unknown, and in general, for chemical work where impurities must either be absent or at a known concentration … Forensic science glossary
Marquis reagent — The Marquis reagent is used as a simple spot test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of formaldehyde and concentrated sulfuric acid, which is dripped onto the substance being tested. The… … Wikipedia
Pill testing — is a process used to identify substances contained within a pill, usually illicit substances.Since illicit drugs like MDMA are bought from drug dealers on the black market, both the source and contents of the substance are unknown. Pills sold by… … Wikipedia
Webster's reagent — is a solution of sodium hydroxide and ethyl alcohol used to test surfaces for the presence of TNT and Tetryl explosive compounds. Specifically Webster s reagent responds to the presence of the trinitrophenyl group. Though it is normally used in… … Wikipedia
Biuret reagent — The Biuret reagent is made of potassium hydroxide (KOH) and copper (II) sulfate (CuSO4), together with potassium sodium tartrate (KNaC4H4O6·4H2O). The blue reagent turns violet in the presence of proteins, and changes to pink when combined with… … Wikipedia
Schiff's reagent — /shifs rē āˈjənt/ noun A reagent for testing for the presence of aldehydes ORIGIN: Ety as for ↑Schiff base * * * Schiff s reagent «shihfs», = Schiff reagent. (Cf. ↑Schiff reagent) … Useful english dictionary
Food testing strips — are products that help determine whether or not food contains bacteria that can cause foodborne illness. These products can typically be used on food, water, and hard surfaces, and are often designed for quick and easy home and commercial… … Wikipedia
