diacetyl test

diacetyl test
(for urea) the solution to be tested is mixed with concentrated hydrochloric acid and diacetyl monoxime, a more stable precursor of diacetyl; condensation of diacetyl and urea forms the yellow chromogen diazine, particularly at an elevated temperature (usually 45 °C).

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • urea test — see specific tests, including diacetyl t. and urease t. (def. 1). See also urea, methods for, under method …   Medical dictionary

  • reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …   Medical dictionary

  • Acetoin — Strukturformel Allgemeines Name 3 Hydroxy 2 butanon Andere Namen Acetoin Acetyl …   Deutsch Wikipedia

  • Lactobacillus — Lactobacillaceae Lactobacillus sp. Systematik Domäne: Bakterien Abteilung …   Deutsch Wikipedia

  • Lactobacillus salivarius — Lactobacillaceae Lactobacillus sp. Systematik Domäne: Bakterien Abteilung …   Deutsch Wikipedia

  • Urea — Urea …   Wikipedia

  • Budweiser (Anheuser-Busch) — Infobox Beer name = Budweiser caption = brewery = Anheuser Busch style = Pale lager year = 1876 abv = 5.0% Budweiser 5.0% Bud Dry 4.2% Bud Light 5.5% Bud Ice 4.1% Bud Ice Light 4.3% Bud Select 4.2% Busch Light og = 1.045 (Budweiser) fg = 1.009… …   Wikipedia

  • Heroin — Not to be confused with heroine. For other uses, see Heroin (disambiguation). Heroin …   Wikipedia

  • Blood urea nitrogen — The blood urea nitrogen (BUN) test is a measure of the amount of nitrogen in the blood in the form of urea, and a measurement of renal function. Urea is a substance secreted by the liver, and removed from the blood by the kidneys.PhysiologyThe… …   Wikipedia

  • Designer drug — Not to be confused with Drug design. Designer drug is a term used to describe drugs that are created (or marketed, if they had already existed) to get around existing drug laws, usually by preparing analogs or derivatives of existing drugs by… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”