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- An '''alkali anion exchange membrane''' (AAEM) is a [[semipermeable membrane]] generally ...Membrane Fuel Cells]</ref>. In comparison against [[Alkaline fuel cell]], alkali anion exchange membrane fuel cells also protect the electrode from [[carbon2 KB (266 words) - 10:10, 20 September 2010
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- ...of his energetic work in experimenting with the growing of sugar beets in alkali soils, is regarded as the "father and founder of the movement that made the21 KB (3,262 words) - 19:30, 14 June 2010
- ...ess known as saponification. The fats are hydrolyzed by the base, yielding alkali salts of fatty acids (crude soap) and [[glycerol]]. ...00 BCE in ancient Babylon.}}</ref> A formula for soap consisting of water, alkali and [[Cinnamomum aromaticum|cassia]] oil was written on a Babylonian clay t20 KB (3,140 words) - 22:41, 17 June 2010
- ...dissolves more rapidly than Sodium Silicate glass of equal molar silica-to alkali ratio. Potassium Silicate glass can be dissolved in atmospheric dissolver, ...Sodium Silicate to develop a carbonate bloom or white efflorescent coat of alkali7 KB (1,130 words) - 17:26, 29 August 2010
- ...ted hydrochloric acid, and the free base was obtained by treatment with an alkali:<ref>{{cite journal | doi = 10.1002/cber.190804102131 | journal = [[Ber.]]15 KB (2,087 words) - 16:43, 27 September 2010
- ...iodine content from [[iodised salt]]s that are exposed to excess air. The alkali metal iodide salt, over time and exposure to excess oxygen and carbon dioxi23 KB (3,281 words) - 16:44, 27 September 2010
- ...d with certain chemicals. The chemical is typically an [[acid]], strong [[Alkali|base]], or a [[Salt (chemistry)|salt]] ([[phosphoric acid]], [[potassium hy ...traindication|contraindicated]] when the ingested substance is an acid, an alkali, or a petroleum product.41 KB (5,738 words) - 16:47, 27 September 2010
- ...the [[acetates]], [[carbonates]], [[citrates]] or [[hydroxides]] of the [[alkali metals]]. Acetylsalicylic acid is stable in dry air, but gradually [[hydrol78 KB (10,918 words) - 16:52, 27 September 2010
- Magnesium hydroxide powder is used industrially as a non-hazardous alkali to neutralise acidic wastewaters.<ref>[http://www.wateronline.com/article.m11 KB (1,555 words) - 16:49, 27 September 2010
- | SolubleOther = soluble in [[acid]]s, [[alkali]]s, [[hydrochloric acid|HCl]], [[sulfuric acid|H<sub>2</sub>SO<sub>4</sub>] ...uaaluminate) or its [[hydrolysis]] products. It also dissolves in strong [[alkali]], forming Al(OH)<sub>4</sub><sup>-</sup> (tetrahydroxoaluminate).10 KB (1,283 words) - 16:49, 27 September 2010
- | SolubleOther = soluble in [[ether]], [[glycerol]], [[alkali]]es <br> slightly soluble in [[alcohol]]14 KB (1,921 words) - 16:49, 27 September 2010
- ...://www.ehjournal.net/content/8/1/2|title=Default et al. Mercury from Chlor-alkali plants, Environmental Health 2009, 8:2}}</ref>69 KB (10,077 words) - 21:35, 20 September 2010
- ...ukh, K. G. Subhadra [http://books.google.com/books?id=X-yL7EgMK6wC&pg=PA68 Alkali halides: a handbook of physical properties], Springer, 2001 ISBN 354042180719 KB (2,579 words) - 16:51, 27 September 2010
- ...rmerly in ''[[Zigadenus]]'') is also known as '''Elegant Camas''' or '''"[[alkali grass]]"'''. It is not a [[grass]] (though its leaves are grass-like), but1 KB (176 words) - 12:27, 7 July 2010
- Use of GGBS significantly reduces the risk of damages caused by [[alkali-silica reaction]] (ASR), provides higher resistance to [[chloride]] ingress7 KB (1,001 words) - 10:08, 20 September 2010
- ...r-electronegativity atoms). Among the ionic solids are compounds formed by alkali and alkaline earth metals in combination with halogens; a classic example i11 KB (1,614 words) - 10:08, 20 September 2010
- ...olume of Portland cement is reduced, this concrete is less vulnerable to [[alkali-silica]] and [[sulfate attack]].{{fact|date=April 2009}}8 KB (1,255 words) - 10:08, 20 September 2010
- ...aments were found to expand in an [[acidic]] solution and contract in an [[alkali]] solution. Although other stimuli (such as pH) have been investigated, due25 KB (3,633 words) - 10:09, 20 September 2010
- ...neric formula [MeSi]n. PMSy is made from methyltrichlorosilane by means of alkali metal reduction followed by alkylation. At room temperature, poly(methylsil2 KB (276 words) - 10:09, 20 September 2010
- ...he industrial applications, the main success story is components for chlor-alkali production (e.g. cell covers for [[electrolyzer]]s).6 KB (887 words) - 10:09, 20 September 2010
- *[[Alkali anion exchange membrane]]3 KB (437 words) - 10:09, 20 September 2010
- ...is]] in the presence of water, often a reaction catalysed by [[acid]] or [[alkali]]. [[Nylon]] for example, will degrade and crack rapidly if exposed to stro [[Polycarbonate]] is susceptible to alkali hydrolysis, the reaction simply depolymerising the material. [[Polyesters]]10 KB (1,521 words) - 10:09, 20 September 2010
- Polysulfone is highly resistant to [[mineral acid]]s, [[alkali]], and [[electrolyte]]s, in [[pH]] ranging from 2 to 13. It is resistant to5 KB (716 words) - 10:10, 20 September 2010
- ...pill acid onto their shirts or tights. [[Polycarbonate]] is susceptible to alkali hydrolysis, the reaction simply depolymerising the material. [[Polyesters]]9 KB (1,340 words) - 10:10, 20 September 2010
- An '''alkali anion exchange membrane''' (AAEM) is a [[semipermeable membrane]] generally ...Membrane Fuel Cells]</ref>. In comparison against [[Alkaline fuel cell]], alkali anion exchange membrane fuel cells also protect the electrode from [[carbon2 KB (266 words) - 10:10, 20 September 2010
- The ester groups of the polyvinyl acetate are sensitive for [[alkali]] and will slowly convert PVAc into polyvinyl alcohol and [[acetic acid]].6 KB (871 words) - 10:10, 20 September 2010
- ===Alkali/Alkaline Earth Metals=== [[Alkali metals]] and [[alkaline earth metals]] exist as stable cations. Alkali metals readily form cations with stable valence shells, giving them differe23 KB (3,302 words) - 10:11, 20 September 2010
- <tr><td>[[Alkali]]s</td><td bgcolor="#ffffcc">Good-Poor</td></tr> Sodium hypochlorite bleach and other alkali cleaners catalyze the release of the bisphenol A from polycarbonate contain20 KB (2,772 words) - 10:11, 20 September 2010
- Alkali catalysts such as [[sodium hydroxide]] NaOH, [[potassium hydroxide]] KOH, o20 KB (2,883 words) - 10:12, 20 September 2010
- |header1 = [[Alkali metal]]s ...have low density, hardness, and melting points, these (the [[alkali metals|alkali]] and [[alkaline earth]] metals) are extremely reactive, and are rarely enc24 KB (3,311 words) - 10:13, 20 September 2010
- .... An environment must not interact with the material in question. Liquid [[alkali metal]]s as the heat transfer fluids are used as well as the ultrahigh vacu25 KB (3,519 words) - 10:13, 20 September 2010
- ...eed substantial amounts of water and fertilizer. Since they grow best in [[alkali]]ne soils, [[calcium carbonate]] and other [[lime (material)|lime minerals]29 KB (4,179 words) - 10:14, 20 September 2010
- *[[Alkali-aggregate reaction]] *[[Alkali Silica Reaction]]14 KB (1,945 words) - 10:15, 20 September 2010
- ...lulose]]. Cellulose fibres from [[wood]] or [[cotton]] are dissolved in [[alkali]] to make a solution called [[viscose]], which is then extruded through a n45 KB (7,016 words) - 10:15, 20 September 2010
- ...sing hot water, perhaps containing wetting agents (surfactants) and a mild alkali. The water replaces the size on the outer surface of the fiber, and absorbs3 KB (430 words) - 10:15, 20 September 2010
- ...le higher temperatures with the addition of suitable [[wetting agent]]s, [[alkali]] and so on. Scouring removes all the waxes, pectins and makes the textile2 KB (312 words) - 10:16, 20 September 2010
- ...ried in iron vessels called [[Boiler|kier]]s. The fabric is boiled in an [[alkali]], which forms a soap with free fatty acids. ([[saponification]]). A kier i ...re, strength and dye affinity. Cotton is mercerized under tension, and all alkali must be washed out before the tension is released or shrinkage will take pl38 KB (5,949 words) - 10:16, 20 September 2010
- ...6 °C, when treated by pressure and a chemical solution of caustic [[alkali]]. Spermaceti forms brilliant white crystals that are hard but oily to the3 KB (481 words) - 10:17, 20 September 2010
- ...on of the [[Ullmann condensation|Ullmann Ether Synthesis]]: reaction of an alkali-metal phenate with a halogenated benzene catalyzed by copper.<ref>"The Ullm18 KB (2,654 words) - 10:18, 20 September 2010
- ...with [[redox]] tendencies within to prevent unwanted reactions, such as [[alkali metal]]s.26 KB (3,820 words) - 10:18, 20 September 2010
- * An [[alkali]] used as a [[sodium hydroxide|lye]] substitute in no-lye hair [[relaxer]]s10 KB (1,311 words) - 10:20, 20 September 2010
- ...that almost all damage to concrete is attributable to moisture intrusion: alkali-silica reaction (ASR), chemical intrusion, freeze/thaw, and corrosion of re6 KB (820 words) - 10:21, 20 September 2010
- ...te reaction]]s which cause damage to hardened concrete.<ref>Swamy, R: "The Alkali-silica Reaction in Concrete", page 46. Taylor & Francis, 1992, ISBN 02169263 KB (424 words) - 10:22, 20 September 2010
- ...eopolymers|Geopolymer]] cements''' are made from mixtures of water-soluble alkali metal silicates and aluminosilicate mineral powders such as [[fly ash]] and30 KB (4,351 words) - 10:23, 20 September 2010
- ...such as heating to 160 °C and pressurizing to 3 MPa and adding an acid or alkali catalyst. ...ch as [[alcoholates]] [[hydroxide]]s, [[carbonate]]s or other compounds of alkali or [[alkaline earth metal]]s.<ref name="glycol" /> The reaction mechanism i82 KB (11,709 words) - 21:31, 20 September 2010
- ...used industrially as [[pigment]]s. The [[permanganate]]s of [[alkali metal|alkali]] and [[alkaline earth metals]] are powerful oxidizers. Manganese dioxide i ...duced by dissolving Mn compounds, such as [[manganese dioxide]], in molten alkali while exposed to air.44 KB (6,128 words) - 21:32, 20 September 2010
- ...the beryllium by dissolving the [[aluminium hydroxide]] in an additional [[alkali]]. Vauquelin named the new element "glucinum" for the sweet taste of some ...luminium metal. Beryllium, again similarly to aluminium, dissolves in warm alkali to form the beryllate anion, Be(OH)<sub>4</sub><sup>2−</sup>, and hydroge41 KB (5,890 words) - 21:34, 20 September 2010
- ...lubility of chlorine in water is increased if the water contains dissolved alkali hydroxide, and in this way, [[chlorine bleach]] is produced. In hot concentrated alkali solution [[hypochlorite]] disproportionates:36 KB (5,155 words) - 21:35, 20 September 2010
- ...ad(II) oxide|PbO]] (also known as [[litharge]]), leaving the corresponding alkali [[nitrite]]. PbO is representative of lead's +2 oxidation state. It is solu Lead(II) oxide is also soluble in [[alkali metal|alkali]] [[hydroxide]] solutions to form the corresponding [[plumbite]] salt.<ref52 KB (7,694 words) - 21:36, 20 September 2010
- ...epresented a new class of complexing agents that were capable of binding [[alkali metal]] cations. He proceeded to report systematic studies of the synthesis6 KB (864 words) - 20:14, 21 September 2010
- ...esses a saline, mildly tart flavor. For this reason, citrates of certain [[alkali metal|alkaline]] and [[alkaline earth metal]]s (e.g. sodium and calcium cit5 KB (649 words) - 20:14, 21 September 2010