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	Cation-Exchange
		The magnitude of such cation exchange in a given zeolite is known as its cation-exchange capacity (CEC) and is commonly measured in terms of moles of exchangeable cation per gram (or 100 grams) of zeolite or in terms of equivalents of exchangeable cations per gram (or 100 grams) of zeolite.
		A mole of an atom or cation is its molecular or atomic weight written in terms of grains (i.e., gram-molecular weight); thus, a mole of sodium (Na) weighs 22.99 grams, and a mole of calcium (Ca) weights 40.08 g.
		cations, expressing the cation-exchange capacity of a given zeolite in terms of moles requires that the nature of the exchanging cations be stated for each exchange reaction.
	www.gsaresources.com /cationexchange.htm (1044 words)

	cation - HighBeam Encyclopedia
		Cations can be formed from a metal by oxidation (see oxidation and reduction), from a neutral base (see acids and bases) by protonation, or from a polar compound by ionization.
		Cationic species include Na, Mg, and NH The cations of the transition elements have characteristic colors in water solution.
		Effect of sulfate concentration and associated cation type on concrete deterioration and morphological changes in cement hydrates.
	www.encyclopedia.com /html/c1/cation.asp (352 words)

	Inorganic Structure Prediction - Cation Locator menu card
		Cation Locator uses efficient gridding of non-bond energies to locate potential energy minima within a given model, and populate these determined sites with cations.
		A single cation is placed at the origin, and the interaction of a second cation at each grid point is computed, again using Ewald summation.
		Cation Locator is used to identify possible locations for extra-framework cations within a charged framework structure, to produce an electrically neutral structure.
	scripps.edu /rc/softwaredocs/msi/cerius45/isp/B.02_Cation_Locator.html (1804 words)

	Cation exchange capacity - Wikipedia, the free encyclopedia
		In soil science, cation exchange capacity (CEC) is the capacity of a soil for ion exchange of positively charged ions between the soil and the soil solution.
		Cation exchange capacity is used as a measure of fertility, nutrient retention capacity, and the capacity to protect groundwater from cation contamination.
		Closely related to cation exchange capacity is the base saturation, which is the fraction of exchangeable cations that are base cations (Ca, Mg, K and Na).
	en.wikipedia.org /wiki/Cation_exchange_capacity (328 words)

	The Garden with Insight garden simulator v1.0: cation exchange capacity
		The number of these sites per unit weight of dry soil is called the cation exchange capacity, or the capacity of the soil to hold cations.
		Because any cations loose in the soil solution are vulnerable to leaching as water flows out of the soil, a high cation exchange capacity is always desirable.
		The attraction of cations to cation exchange sites is strongest for H+ ions (which make the soil acidic) and for polyvalent ions such as Ca2+ and Al3+.
	www.gardenwithinsight.com /help100/00000385.htm (359 words)

	cation - Search Results - MSN Encarta
		electric charges in atoms, identification of cations (chart), table of common ions
		Ions are electrically charged atoms or groups of atoms.
		Cations are positively charged ions, while anions are negatively charged ions.
	encarta.msn.com /encnet/refpages/search.aspx?q=cation (103 words)

	Cation - Electrochemical Services
		CATION provides a variety of Electrolytic Machining Services for STRESS and BURR FREE Electrolytic Machining/Deburring, Electrolytic Rifling and Electrolytic Process Development from basic customer application to the complete design of Electrolytic Machining Systems by our parent company.
		All Cation's rifled choke tubes are CNC machined from gun quality stainless steel stock.
		From an existing part, blue print, or even a sketch, CATION is ready to serve your electrolytic machining needs.
	www.cation.com (148 words)

	Ion - Wikipedia, the free encyclopedia
		A positively-charged ion, which has fewer electrons than protons, is known as a cation (pronounced [ˈkætaɪən]; cat-eye-on) due to its attraction to cathodes.
		So; anion, ἀνιόν, and cation, κατιόν, mean "(a thing) going up" and "(a thing) going down", respectively; and anode, ἄνοδος, and cathode, κάθοδος, mean "a going up" and "a going down", respectively, from ὁδός, "way," or "road."
		The positively charged particles are called cations, the negatively charged particles are called anions.
	en.wikipedia.org /wiki/Cation (1260 words)

	What is the use for the cation exchange capacity (CEC) and the percent base saturation on the soil test reports?
		The CEC is the abbreviation for the cation exchange capacity of the soil.
		Any element with a positive charge is called a cation and in this case, it refers to the the basic cations, calcium (Ca+2), magnesium (Mg+2), potassium (K+1) and s odium (Na+1) and the acidic cations, hydrogen (H+1) and aluminum (Al+3).
		The amount of these positively charged cations a soil can hold is described as the CEC and is expressed in milliequivalents per 100 grams (meq/100g) of soil.
	hubcap.clemson.edu /~blpprt/bobweb/BOBWEB23.HTM (812 words)

	David Cation Canada Painting
		David Cation works visionate the figure as an extension to the vulgarities/successes of an initially normal life lived in an abnormal world.
		To Cation, colors state, stroke attacks and the figure emerges scathed by the trauma or bathed in clear thinking skewed.
		Temptation arises to read the works of Cation as books on life or visions of the artists meaning but don't succumb....approach to see and capture that which stirs in you.
	www.outsiderart.info /cation.htm (194 words)

	Science & Technology at Scientific American.com: Schroedinger's Cation -- Physicists prove that an atom can be in ... (Site not responding. Last check: 2007-10-20)
		Now four researchers at the National Institute of Standards and Technology (NIST) in Boulder, Colo., have carried out the notorious "Schroedinger's cat" test using not a living feline but a positively charged atom- -yes, a "cation" in scientific parlance--of beryllium.
		Although somewhat smaller than a cat, the cation is still much larger than the electrons, photons and other particles that commonly exhibit bizarre quantum behavior.
		In a report in the May 24 issue of Science, the NIST team expresses the hope that their "mesoscopic system may provide insight into the fuzzy boundary between the classical and quantum worlds."
	www.sciam.com /article.cfm?articleID=000AAB4F-7BC2-1C76-9B81809EC588EF21 (773 words)

	cation - OneLook Dictionary Search
		Cation : Oakland Harbor Navigation Improvement (-50 Foot) Project [home, info]
		Cation : A to Z of Terms related to the Thermal Spray Process and Surface Engineering [home, info]
		Phrases that include cation: cation exchange, cation exchange capacity, cation exhange resin, cation exchange membrane, cation exchange resins, more...
	www.onelook.com /?loc=pub&w=cation (329 words)

	Cation
		Determination of Cations and Amines in Hydrogen Peroxide by Ion Chromatography Using a RFIC™ (Reagent-Free) System 758K
		AN 86: Determination of Trace Cations in Power Plant Waters Containing Morpholine 119K
		AU 126: Determination of Diethanolamine and Triethanolamine in Surface Finishing, Wastewater and Scrubber Solutions 314K
	www.dionex.com /en-us/by_technique/ic/cation/lp5009.html (388 words)

	InterPro: IPR006069 ATPase, P-type cation exchange, alpha subunit
		This entry represents the alpha subunit found in the P-type cation exchange ATPases found in the plasma membranes of both prokaryotes and eukaryotes.
		These ATPases catalyse the hydrolysis of ATP coupled with the exchange of cations, pumping one cation out of the cell (H
		Additionally, a maximum of 5 references per entry are taken from the PDB where one or more of the proteins in the entry has had its structure determined.
	www.ebi.ac.uk /interpro/IEntry?ac=IPR006069 (3533 words)

	Cation-Exchange Columns (Site not responding. Last check: 2007-10-20)
		CS11 is a moderate-capacity, sulfonate-functionalized, cation-exchange column designed for the isocratic separation of lithium, sodium, ammonium, potassium, magnesium, and calcium using hydrochloric acid or diaminopropionic acid eluents.
		The CS11 can also be used for ethanolamines if divalent cations are not present.
		CS10 is a moderate-capacity, sulfonate-functionalized, cation-exchange column designed for the isocratic separation of lithium, sodium, ammonium, potassium, magnesium, and calcium using hydrochloric acid or diaminopropionic acid eluents.
	www1.dionex.com /en-us/columns_accessories/ion_exchange/lp5634.html (341 words)

	Cation Qualitative Analysis
		This qualitative analysis applet involves cations that can be classified in three groups:
		Use the applet below to test an unknown sample which contains one type of cation.
		The identity of a "true unknown" can only be revealed by an instructor of teaching assistant who is officially using this applet.
	www.bpreid.com /applets/cations.html (207 words)

	Cation definition - Medical Dictionary definitions of popular medical terms
		Cation definition - Medical Dictionary definitions of popular medical terms
		A cation is as opposed to an anion, which is a negatively charged ion.
		Electrolytes - Electrolytes in the body need to be maintained for bodily fluid function.
	www.medterms.com /script/main/art.asp?articlekey=20152 (111 words)

	Information Bridge: DOE Scientific and Technical Information - - Document #34204 (Site not responding. Last check: 2007-10-20)
		The +5 oxidation state of U, Np, Pu, and Am is a linear dioxo cation (AnO{sub 2}{sup +}) with a formal charge of +1.
		These cations form complexes with a variety of other cations, including actinide cations.
		Other oxidation states of actinides do not form these cation-cation complexes with any cation other than AnO{sub 2}{sup +}; therefore, cation-cation complexes indicate something unique about AnO{sub 2}{sup +} cations compared to actinide cations in general.
	www.osti.gov /bridge/product.biblio.jsp?osti_id=34204 (347 words)

	Find in a Library: Nonselective cation channels : pharmacology, physiology, and biophyics
		Nonselective cation channels : pharmacology, physiology, and biophyics
		Sorry, we cannot identify the location you entered.
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	worldcatlibraries.org /wcpa/ow/bab3c2a1bb45657aa19afeb4da09e526.html (63 words)

	Phylogenetic Relationships within Cation Transporter Families of Arabidopsis -- Mäser et al. 126 (4): 1646 -- ...
		Phylogenetic Relationships within Cation Transporter Families of Arabidopsis -- Mäser et al.
		Uptake and translocation of cationic nutrients play essential roles in physiological processes including plant growth, nutrition,
		Vacuolar Na+/H+ antiporter cation selectivity is regulated by calmodulin from within the vacuole in a Ca2+- and pH-dependent manner
	dx.doi.org /10.1104/pp.126.4.1646 (2383 words)

	Cation-pi interactions in structural biology -- Gallivan and Dougherty 96 (17): 9459 -- Proceedings of the National ...
		clearly demonstrated that, when a cationic sidechain (Lys or Arg)
		is biased toward one that would experience a favorable cation-
		in the data bank experience an energetically significant cation-
	www.pnas.org /cgi/content/abstract/96/17/9459 (2260 words)

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