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  • Raw sugar is yellow to brown. Bubbling sulfur dioxide through the cane juice before evaporation bleaches many color-forming impur ...phatation" technique is 'carbonatation,' which is similar, but uses carbon dioxide and calcium hydroxide to produce a calcium carbonate precipitate.
    21 KB (3,077 words) - 19:14, 14 June 2010
  • ...articles settle out in tanks (clarifiers). A final addition of more carbon dioxide precipitates more calcium from solution; this is filtered off, leaving a cl ...e thin juice may receive soda ash to modify the pH and sulphitation with a sulfur-based compound to reduce colour formation due to decomposition of monosacch
    21 KB (3,262 words) - 19:30, 14 June 2010
  • ...and has a considerably lower output level of the [[greenhouse gas]] carbon dioxide ({{co2}}) than [[fossil fuel]] powered energy plants. Worldwide, an install ...directly produce [[carbon dioxide]] (a greenhouse gas). While some carbon dioxide is produced during manufacture and construction of the project, this is a t
    39 KB (5,447 words) - 23:02, 2 July 2010
  • ...that is more familiar as the [[pentahydrate]], [[Sodium|Na]]<sub>2</sub>[[Sulfur|S]]<sub>2</sub>[[Oxygen|O]]<sub>3</sub>•5[[Hydrogen|H]]<sub>2</sub>[[Oxyg ...more double bond character. The first protonation of thiosulfate occurs at sulfur.
    12 KB (1,720 words) - 16:42, 27 September 2010
  • Activated carbon, often impregnated with iodine or sulfur, is widely used to trap mercury emissions from [[coal-fired power station]] *Residual organic gasification by an oxidising gas (steam or carbon dioxide) at elevated temperatures (800°C)
    41 KB (5,738 words) - 16:47, 27 September 2010
  • ...n-polar compounds such as oils and [[chemical element|elements]] such as [[sulfur]] and [[iodine]]. It readily mixes with other polar and non-polar [[solvent ...When heated above 440&nbsp;°C, acetic acid decomposes to produce [[carbon dioxide]] and [[methane]], or to produce [[ethenone]] and water.
    41 KB (5,915 words) - 16:49, 27 September 2010
  • | [[Sulfur dioxide|Liquid sulfur dioxide]] || 0.041
    14 KB (1,921 words) - 16:49, 27 September 2010
  • | OtherFunctn = [[Nitric oxide]]<br/>[[Dinitrogen trioxide]]<br/>[[Nitrogen dioxide]]<br/>[[Dinitrogen tetroxide]]<br/>[[Dinitrogen pentoxide]] ...00 year period, it has 298 times more impact per unit weight than [[carbon dioxide]].<ref>2007 IPCC Fourth Assessment Report (AR4) by Working Group 1 (WG1), [
    61 KB (8,728 words) - 16:50, 27 September 2010
  • ...an usually be considered to be a mixture of metal [[oxide]]s and [[silicon dioxide]]. However, slags can contain metal [[sulfide]]s (see also [[Matte (metallu ...na]] and [[silica]] separated from the metal, and assist in the removal of sulfur and phosphorus from the steel.
    8 KB (1,255 words) - 10:08, 20 September 2010
  • The chemical effects of moisture can be seen in the chalking of titanium dioxide (TiO2) pigmented coatings and polymers; the anatase form is particularly se ...as catalysts in the photooxidation of polymers. In the presence of sulfur dioxide and oxygen, ultraviolet radiation causes crosslinking of polyethylene and p
    12 KB (1,716 words) - 10:10, 20 September 2010
  • ...hydrogen, and oxygen, with only trace amounts of catalyst elements (but no sulfur). PET has the energy content of soft coal. ...enough to be an adequate barrier to aromas and even gases, such as carbon dioxide in carbonated beverages.
    43 KB (6,272 words) - 10:11, 20 September 2010
  • ...oauthors=et. al.|year=2001|title=Silver(I) coordination polymers of cyclic sulfur ligand, 2,2′,3,3′-tetrahydro-4,4′-dithia-1,1′-binaphthylidene|journ ...alts present, atmospheric gases such as [[oxygen]], [[nitrogen]], [[carbon dioxide]], etc.) The presence of the guest molecule can sometimes influence the st
    23 KB (3,302 words) - 10:11, 20 September 2010
  • ...s while the other organic compounds contain [[nitrogen]], [[oxygen]] and [[sulfur]], and trace amounts of metals such as [[iron]], [[nickel]], [[copper]] and |Sulfur || 0.5 to 6%
    69 KB (9,885 words) - 10:12, 20 September 2010
  • ...action. Tarnish is mainly caused by chemicals in the air, such as [[sulfur dioxide]]. It often appears as a usually dull, gray or black film or coat over meta ...metal]] [[chemical compound|compound]], especially [[oxygen]] and [[sulfur dioxide]]. It is usually a metal [[oxide]], the product of [[oxidation]].
    2 KB (288 words) - 10:13, 20 September 2010
  • ...he column of elements on the periodic table beginning with oxygen) such as sulfur, selenium, and other elements.<ref>Biello, David [http://sciam.com/article. ...orthosilicate]] (TEOS). A hydrolysis reaction forms particles of silicon dioxide forming a sol solution.<ref name="Making silica aerogels">{{cite web|url= h
    26 KB (3,758 words) - 10:14, 20 September 2010
  • ...trong. It burns rapidly, producing a volume of hot gas made up of [[carbon dioxide]], [[water]], and [[nitrogen]], and a solid residue of [[potassium sulfide] *[[sulfur]] (S), which, while also serving as a fuel, lowers the temperature required
    51 KB (7,447 words) - 10:15, 20 September 2010
  • ...opionate]], [[sodium nitrate]], [[sodium nitrite]], [[sulfite]]s ([[sulfur dioxide]], [[sodium bisulfite]], [[potassium hydrogen sulfite]], etc.) and [[EDTA|
    5 KB (621 words) - 10:17, 20 September 2010
  • ...for [[carbon monoxide]], [[methane]] and other [[hydrocarbon]]s, [[sulfur dioxide]], [[hydrogen sulfide]], and most of other contaminants, removing them from
    2 KB (215 words) - 10:17, 20 September 2010
  • ...otton wick, the mantle is a residue of mineral materials (mostly [[thorium dioxide]]) which is heated to [[incandescence]] by the flame produced by the wick. ...d using this fuel in 2004, prior to the widespread adoption of [[ultra-low sulfur diesel]], which has since become the standard. In 2008, the suppliers of th
    26 KB (3,820 words) - 10:18, 20 September 2010
  • ...ock body or by the presence of circulating groundwater charged with carbon dioxide (i.e., [[limestone]], [[travertine]], [[marble]]). On the other hand, chan ...the Global Warming Potential for limestone quarrying is 20&nbsp;kg carbon dioxide equivalents while for limestone processing it is 80 (same units). The data
    34 KB (5,137 words) - 10:21, 20 September 2010

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