the water has been treated with chlorine
51Disinfection by-product — Disinfection by products (DBPs) result from reactions between organic and inorganic matter in water with chemical treatment agents during the water disinfection process.[1] Contents 1 Chlorination disinfection by products 2 By products from non… …
52organohalogen compound — Introduction any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… …
53iodine — /uy euh duyn , din/; in Chem. also /uy euh deen /, n. Chem. a nonmetallic halogen element occurring at ordinary temperatures as a grayish black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic …
54Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
55DDT — For other uses, see DDT (disambiguation). DDT …
56Countercurrent exchange — Counter heat current exchange: Note the gradually declining differential and that the once hot and cold streams exit at the reversed temperature difference; the hotter entering stream becomes the exiting cooler stream and vice versa.… …
57Wilderness and diarrhea — Diarrhea acquired in the wilderness, sometimes calledWilderness diarrhea (WD), wilderness acquired diarrhea (WAD) or backcountry diarrhea, and is a much discussed hazard among backpackers, hikers, campers and other outdoor recreationalists who… …
58Pollution in eloor — ENVIRONMENTAL POLLUTION Environmental pollution is the addition of any substance or form of energy (e.g., heat, sound, radioactivity) to the environment at a rate faster than the environment can accommodate it by dispersion, breakdown, recycling …
59mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
60Trichloroethylene — chembox new ImageFileL1=Trichloroethene skeletal.png ImageSizeL1=120px ImageFileR1=Trichloroethylene 3D vdW.png ImageSizeR1=120px IUPACName=trichloroethene OtherNames = 1,1,2 Trichloroethene, 1,1 Dichloro 2 Chloroethylene, 1 Chloro 2,2… …
