sulfur test

sulfur test
(for protein) the suspected liquid is heated with an excess of sodium hydroxide and a small quantity of acetate of lead; if proteins are present, a black precipitate of lead sulfide is formed.

Medical dictionary. 2011.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Sulfur mustard — Sulfur mustard …   Wikipedia

  • Sulfur hexafluoride — Chembox new Name = Sulfur hexafluoride ImageFile = Sulfur hexafluoride 2D dimensions.png ImageSize = 100px ImageName = Structure and dimensions of the sulfur hexafluoride molecule ImageFile1 = Sulfur hexafluoride 3D balls.png ImageSize1 = 100px… …   Wikipedia

  • Sulfur-iodine cycle — The sulfur iodine cycle (S I cycle) is a series of thermochemical processes used to produce hydrogen.The S I cycle consists of three chemical reactions whose net reactant is water and whose net products are hydrogen and oxygen. All other… …   Wikipedia

  • Sodium–sulfur battery — Cut away schematic diagram of a sodium–sulfur battery. (image courtesy NASA John Glenn Research Center). A sodium–sulfur battery or liquid metal battery is a type of molten metal battery[1] constructed from sodium (Na) and sulfur ( …   Wikipedia

  • Sodium-sulfur battery — A sodium sulfur battery is a type of battery constructed from sodium (Na) and sulfur (S). This type of battery has a high energy density, high efficiency of charge/discharge (89 mdash;92%) and long cycle life, and is fabricated from inexpensive… …   Wikipedia

  • Sodium fusion test — The sodium fusion test is used in elemental analysis for the qualitative determination of elemental halogens, nitrogen and sulfur in a sample. It was developed by J. L. Lassaigne.The test involves heating the sample strongly with clean sodium… …   Wikipedia

  • Oddy test — The Oddy test is a procedure created at the British Museum by conservation scientist Andrew Oddy[1] in 1973[2], in order to test materials for safety in and around art objects. Often, materials for construction are evaluated for safety. However,… …   Wikipedia

  • Chemical test — In chemistry, a chemical test is a qualitative or quantitative procedure designed to prove the existence of, or to quantify, a chemical compound or chemical group with the aid of a specific reagent. A presumptive test is specifically used in… …   Wikipedia

  • Engine test stand — An engine test stand is a facility used to develop, characterize and test engines. The facility, often offered as a product to automotive OEMs, allows engine operation in different operating regimes and offers measurement of several physical… …   Wikipedia

  • Soil test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… …   Wikipedia

Share the article and excerpts

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