Search results
Results from the WOW.Com Content Network
Formaldehyde is a common precursor to more complex compounds and materials. In approximate order of decreasing consumption, products generated from formaldehyde include urea formaldehyde resin, melamine resin, phenol formaldehyde resin, polyoxymethylene plastics, 1,4-butanediol, and methylene diphenyl diisocyanate. [40]
The differences between additives for fracking in different countries are the type of chemicals used (hazardous, non-hazardous), the disclosure of chemicals and the composition of fracturing fluid. In 2010, Halliburton announced the creation of food additive based hydraulic fracturing fluid in response to calls for transparency and demand for a ...
Formaldehyde in the EU is restricted to a maximum allowed concentration in finished products no greater than 0.2%. [2] However, there are hidden sources of formaldehyde such as these formaldehyde releasers. As well, patch tests are prone to false positives at even low concentrations and not a reliable test. [2]
Sodium chloride is used in the Solvay process to produce sodium carbonate and calcium chloride. Sodium carbonate, in turn, is used to produce glass, sodium bicarbonate, and dyes, as well as a myriad of other chemicals. In the Mannheim process, sodium chloride is used for the production of sodium sulfate and hydrochloric acid.
It is no longer commonly used, having been superseded by the cheaper sodium analog. Chloramine, NH 2 Cl. This chemical is commonly handled as a dilute aqueous solution. It is used as an alternative to chlorine and sodium hypochlorite for disinfection of drinking water and swimming pools. Chloramine-T, or tosylchloramide sodium salt, [(H 3 C)(C ...
Formaldehyde works to fixate the tissue of the deceased. This is the characteristic that also makes concentrated formaldehyde hazardous when not handled using appropriate personal protective equipment. The carbon atom in formaldehyde, CH 2 O, carries a slight positive charge due to the high electronegativity of the oxygen double bonded with the ...
Sodium borohydride: reducing agent Sodium dichromate: general-purpose oxidizing agent Sodium metal phenylacetone: Sodium triacetoxyborohydride: reducing agent para-fluoro-1-boc-4-anilopiperidine parafluorofentanyl: Thioglycolic acid: modafinil: Thionyl chloride: lysergic acid diethylamide Trichloromonofluoromethane (aka freon-11, carrene-2)
Humans have processed common salt (sodium chloride) for over 8000 years, using it first as a food seasoning and preservative, and now also in manufacturing, agriculture, water conditioning, for de-icing roads, and many other uses. [83] Many salts are so widely used in society that they go by common names unrelated to their chemical identity.