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• Polyphenyl ether
  == Structure and synthesis of PPEs == ...tained by repeated application of the [[Ullmann condensation|Ullmann Ether Synthesis]]: reaction of an alkali-metal phenate with a halogenated benzene catalyzed
  18 KB (2,654 words) - 10:18, 20 September 2010
• Phenylpropanolamine
  ...is to [[methcathinone]]. PPA can also be used in the [[Chemical synthesis|synthesis]] of [[phenmetrazine]] and [[4-methylaminorex]]. Synthesis is a standard [[Henry reaction]] between benzaldehyde and nitroethane, alth
  11 KB (1,420 words) - 13:15, 20 September 2010
• Ethylene oxide
  The first synthesis method had long remained the only, despite numerous attempts of scientists, ...metal, [[sodium hydroxide]] or [[boron trifluoride]] and are used for the synthesis of [[surfactants]].<ref name="oe3" />
  82 KB (11,709 words) - 21:31, 20 September 2010
• Carbon monoxide poisoning
  ...nterferes with aerobic metabolism and efficient [[adenosine triphosphate]] synthesis. Cells respond by switching to [[anaerobic metabolism]], causing [[Hypoxia ...levels of 30-90%.<ref>Sato K, Tamaki K, Hattori H, et al. Determination of total hemoglobin in forensic blood samples with special reference to carboxyhemog
  71 KB (9,723 words) - 21:31, 20 September 2010
• Arsenic
  ...ironment.<ref name="geosphere">{{cite journal|journal = The Science of the Total Environment|volume = 249|issues = 1–3|year = 2000|pages = 297–312| doi ...2 in As₄S₄]], which features As-As bonds so that the total covalency of As is still in fact three.<ref>{{cite web|url=http://www.webel
  51 KB (7,314 words) - 21:34, 20 September 2010
• Chromium
  ...> although in some areas the ground water can contain up to 39&nbsp;µg of total chromium of which 30&nbsp;µg is present as Cr(VI).<ref>{{cite journal|titl ...D. Sutton, M. Brynda, J. C. Fettinger, G. J. Long, and P. P. Power|title = Synthesis of a Stable Compound with Fivefold Bonding Between Two Chromium(I) Centers|
  51 KB (7,299 words) - 21:34, 20 September 2010
• Formaldehyde
  ...r [[Earth's atmosphere|atmosphere]] may contribute up to 90 percent of the total formaldehyde in the environment. Formaldehyde is an intermediate in the oxi ==Synthesis and industrial production==
  34 KB (4,726 words) - 21:35, 20 September 2010
• Lead poisoning
  ...ns, increase corrositivity.<ref name="Maas2005" /> In the US, 14–20% of total lead exposure is attributed to [[drinking water]].<ref name="Maas2005">{{ci ...ett07-946"/> and alters the permeability of blood vessels and [[collagen]] synthesis.<ref name="Needleman04-AnnRev"/> Lead may also be harmful to the developin
  90 KB (13,109 words) - 21:36, 20 September 2010
• Mining
  ...rown through [[agriculture|agricultural]] processes, or created [[Chemical synthesis|artificially]] in a [[laboratory]] or [[factory]], is usually mined. Minin ...]] of mining companies was reported at US$962 billion, which compares to a total global market cap of publicly traded companies of about US$50 trillion in 2
  50 KB (7,414 words) - 21:36, 20 September 2010
• Lead
  ...n chloride media. The lead concentrations are plotted as a function of the total chloride present.<ref name="medusa"/> Production and consumption of lead is increasing worldwide. Total annual production is about 8&nbsp;million tonnes; about half is produced fr
  52 KB (7,694 words) - 21:36, 20 September 2010
• Scorpionate ligand
  ...any of the scorpionate ligands have a central [[boron]] atom which bears a total of four groups, but it is possible to create ligands which use other centra ...b>] with the anionic ligands, in the case of the thio crown ether a better synthesis would be to react [Mn(CO)₅(MeCN)].OTf with the crown in a non co
  9 KB (1,297 words) - 20:14, 21 September 2010
• Porphyrin
  ...reek]] word for ''[[purple]]''. The macrocycle has 26 [[pi electrons]] in total. The parent porphyrin is [[porphine]], and substituted porphines are called ==Synthesis==
  12 KB (1,605 words) - 20:15, 21 September 2010
• Metallacrown
  ...eveloped to mimic the nomenclature of crown ethers, which are named by the total number of atoms in the ring, followed by “C” for “crown,” and the ...metallacrown.<ref>{{cite journal |last1=Zaleski et al. |year= 2004|title= Synthesis, Structure, and Magnetic Properties of a Large Lanthanide–Transition-Meta
  9 KB (1,186 words) - 20:16, 21 September 2010
• Citric acid
  Citric acid is one of the chemicals required for the synthesis of [[Hexamethylene triperoxide diamine|HMTD]], a highly heat-, friction-, a Citric acid was the first successful [[eluant]] used for total ion-exchange separation of the [[lanthanides]], during the [[Manhattan Proj
  20 KB (2,855 words) - 20:16, 21 September 2010
• Ethylenediaminetetraacetic acid
  ==Synthesis== ...cyanide]].<ref>[http://www.chm.bris.ac.uk/motm/edta/synthesis_of_edta.htm Synthesis of EDTA]</ref> This route yields the sodium salt, which can be converted in
  21 KB (3,011 words) - 16:51, 27 September 2010
• Acid dissociation constant
  ...ifluoromethyl)phenyl, a Sterically Crowded and Electron-withdrawing Group: Synthesis and Acidity of Pentakis(trifluoromethyl)benzene, -toluene, -phenol, and -an The total volume of added strong base should be small compared to the initial volume
  76 KB (11,861 words) - 20:17, 21 September 2010
• Equilibrium chemistry
  ...hase equilibrium is provided by the [[Haber-Bosch]] process of [[ammonia]] synthesis. ...ined by a condition of [[conservation of mass|mass-balance]], that is, the total (or analytical) concentration, which is the sum of all species' concentrati
  42 KB (6,675 words) - 20:17, 21 September 2010
• Hemoglobin
  ...es up about 97% of the red blood cell's dry content, and around 35% of the total content (including water){{Citation needed|date=February 2010}}. .../bja/53.12.1325|url= |issn=0007-0912 |ref=harv}}</ref> which increases the total [[blood oxygen capacity]] seventyfold.<ref name=brsphys>{{cite book |author
  67 KB (9,844 words) - 20:17, 21 September 2010
• Sulfuric acid
  ..., [[Oil refinery|oil refining]], [[wastewater processing]], and [[chemical synthesis]]. ...ANC) of the aquifer can neutralize the produced acid. In such cases, the [[total dissolved solids]] (TDS) concentration of the water can be increased from t
  37 KB (5,374 words) - 20:17, 21 September 2010
• Chemical equilibrium
  # The industrial synthesis such as [[ammonia]] in the [[Haber-Bosch process]] (depicted right) takes p ...equations of mass balance are simply statements that demonstrate that the total concentration of each reactant must be constant by the law of [[conservatio
  38 KB (5,847 words) - 20:17, 21 September 2010

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