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Topic: Cerium(IV) sulfate

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Cerium

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Cerium

	Cerium Info - Bored Net - Boredom (Site not responding. Last check: 2007-10-11)
		Ceric sulfate is used extensively as a volumetric oxidizing agent in quantitative analysis.
		Cerium compounds are used in the manufacture of glass, both as a component and as a decolorizer.
		Cerium(IV) oxide is a powerful oxidizing agent at high temperatures and will react with combustible organic materials.
	www.borednet.com /e/n/encyclopedia/c/ce/cerium.html (809 words)

	Cerium - Wikipedia, the free encyclopedia
		Cerium(IV) salts are orange red or yellowish, whereas cerium(III) salts are usually white.
		Cerium(IV) oxide has largely replaced Rouge in the glass industry as a polishing abrasive.
		Cerium(IV) sulfate is used extensively as a volumetric oxidizing agent in quantitative analysis.
	en.wikipedia.org /wiki/Cerium (930 words)

	Cerium Information Center - cerium oxide
		Cerium(IV) salts cerium iv ammonium nitrate are orange researches about cerium red or yellowish, whereas cerium(III) cerium nitrate and rhodium salts are usually white.
		Cerium was discovered where was the cerium element mass less than 100 cerium first found in Sweden by Jöns Jakob Berzelius and Wilhelm von Hisinger, and independently in Germany by mass is 100 less than cerium Martin Heinrich Klaproth, cerium oxidewindshield both in 1803.
		Naturally occurring cerium is composed of 3 stable isotopes and cerium 58 1 radioactive isotope; 136-Ce, 138-Ce, 140-Ce, and 142-Ce with 140-Ce being the most abundant (88.48% natural cerium chloride abundance).
	www.scipeeps.com /Sci-Chemistry_Topics_C_-_Cl/Cerium.html (1085 words)

	Stains for Developing TLC Plates
		Good for visualizing any compounds which are UV-active, particularly those with extended conjugation, aromatic rings, etc. Spot(s) must be lightly traced with a pencil while visible, since when the UV light is removed, the spots disappear.
		Prepare a 1% solution of of cerium (IV) ammonium sulfate in 50% phosphoric acid.
		Prepare an aqueous solution of 10% cerium (IV) sulfate and 15% sulfuric acid.
	www.ux1.eiu.edu /~cfthb/research/handbook/TLCstains.htm (1681 words)

	Etchant composition - Patent 4725375
		An etchant composition according to claim 1, wherein the amount of the surfactant is from 0.00001 to 10% by weight based on the weight of the etchant composition.
		An etchant composition according to claim 1, wherein the amount of the cerium (IV) salt to be added in the etchant composition is from 10 to 300 g per liter of water.
		Specific examples of the cerium (IV) salt are cerium (IV) sulfate, cerium (IV) nitrate, ammonium cerium (IV) sulfate, ammonium cerium (IV) nitrate and mixtures thereof.
	www.freepatentsonline.com /4725375.html (2503 words)

	CHEM40S Appendix 1.2.b (Site not responding. Last check: 2007-10-11)
		In 1928 Bray observed oscillations in the iodate-catalysed decomposition of hydrogen peroxide.
		In 1958 Belousov reported an oscillating reaction of potassium bromate, cerium(IV) sulfate and citric acid in dilute sulfuric acid.
		The periodic changes in the relative solution concentrations of cerium(IV) and cerium(III) are shown by the oscillating blue/red colour changes of the ferroin indicator.
	www.edu.gov.mb.ca /k12/cur/science/ch40s/appendix/app12b.html (798 words)

	List_of_inorganic_compounds - The real meaning from Timesharetalk wikipedia (Site not responding. Last check: 2007-10-11)
		Aluminium nitrate – Al(NO Aluminium sulfate – Al Ammonia – NH Ammonium acetate – CH Ammonium bicarbonate – NH Ammonium cerium(IV) nitrate – (NH Ce(NO Ammonium chloride – NH Cl
		Ammonium hydroxide – NH Ammonium nitrate – NH Ammonium sulfate – (NH Ammonium tetrathiocyanatodiamminechromate(III) – NH [Cr(SCN)
		Barium nitrate – Ba(NO Barium sulfate – BaSO
	www.timesharetalk.co.uk /wiki.asp?k=List_of_inorganic_compounds (853 words)

	[No title]
		Anodic ECL at elevated temperatures Kazakov V.P., Bulgakov R.G. Elektrokhimiya, 1978, 14 (2), 246-250 Activation of chemiluminescence accompanying lipid peroxidation with europium-tetracycline complex Sharov V.S., Suslova T.B., Deev A.I., Vladimirov Y.A. Biofizika, 1980, 25 (5), 923-924 Triboluminescence of inorganic sulfates Chandra B.P., Zink J.I. Inorg.
		Comm., 1984, (19), 1270-1271 Determination of traces of hydrogensulfite by chemiluminescence with cerium(IV) sulfate as the reagent Takeuchi K., Ibusuki T. Anal.
		Acta, 1999, 396 273-277 Development of a direct chemiluminescence method for the determination of nucleic acids based upon their reaction with cerium(IV) in the presence of rutheniumtrisdipyridine Han H., Li X., He Z., Lin L., Zeng Y. Anal.
	lanthanides.tripod.com /ln-cl.txt (2639 words)

	Surface treatment chemical and bath for aluminum and its alloy - United States Patent 4,992,115
		Sources of vanadium ion include vanadic acid and its salts such as HVO.sub.3, NH.sub.4 VO.sub.3, NaVO.sub.3, etc., vanadyl salts such as vanadyl sulfate, vanadyl oxalate, vanadium halides such as VF.sub.5, etc. Particularly, NH.sub.4 VO.sub.3 is preferable.
		In the case of cerium ion, its content in the surface treatment chemical [surface treatment bath] is 10-1000 parts by weight [10-1000 ppm].
		Sources of cerium ion include nitrates such as cerium [III] nitrate, ammonium cerium [IV] nitrate, etc., sulfates such as cerium [III] sulfate, cerium [IV] sulfate, etc., halides such as cerium [III] chloride, cerium [III] bromide, etc., and particularly cerium nitrates are preferable.
	xrint.com /patents/us/by10/4992115 (3660 words)

	Cerium containing precipitated silica, process for its production - Patent 4360388
		This type of ceric sulfate solution at 20.degree.
		The therefore strongly acid cerium containing precipitated silica suspension can be brought to a pH-value of 6 to 8 by addition of a 15-20 weight % aqueous sodium hydroxide solution.
		It was treated with 1.25 liters of a cerium (IV) sulfate solution having a concentration of 100 g/l at 20.degree.
	www.freepatentsonline.com /4360388.html (3289 words)

	International Council for the Control of Iodine Deficiency Disorders (Site not responding. Last check: 2007-10-11)
		Iodine is a catalyst in the Sandell-Kolthoff reaction, in which the yellow-colored ceric ammonium sulfate is reduced to the colorless cerous sulfate, in the presence of arsenious acid (5).
		Ceric ammonium sulfate - dissolve 16 g ceric ammonium sulfate in 1 liter of 2.5 N H
		To each tube rapidly add 0.1 ml ceric ammonium sulfate solution with the multipipetter, with quick shaking of each rack, and watch all tubes closely.
	indorgs.virginia.edu /iccidd/idddocs/fast_b_method.htm (1363 words)

	Cerium Summary
		The element is also employed as a catalyst in the manufacture of ammonia.
		The greatest quantity of cerium, in the form of cerium(IV) oxide (CeO
		The same compound has also found application in enamel and ceramic coatings, electronic components, and high temperature resistant materials.
	www.bookrags.com /Cerium (2875 words)

	Simple Microplate Method for Determination of Urinary Iodine -- Ohashi et al. 46 (4): 529 -- Clinical Chemistry
		Tetraammonium cerium (IV) sulfate dihydrate (6 g) was dissolved
		-ascorbic acid, and ferrous ammonium sulfate) on the assay
		Effects of potassium thiocyanate, ascorbic acid, and ferrous ammonium sulfate on urinary iodine measurement (n = 3).
	www.clinchem.org /cgi/content/full/46/4/529 (3636 words)

	HYDROGENOLYSIS OF CARBON-HALOGEN BONDS WITH CHROMIUM(II)-EN PERCHLORATE: NAPHTHALENE FROM 1-BROMONAPHTHALENE
		Provided this solution is protected from oxygen, it is stable for long periods of time; aliquots for standardization or reaction are conveniently removed with a hypodermic syringe.
		aliquots to excess 1 M iron(III) chloride followed by titration of the iron(II) ion produced with standard cerium(IV) sulfate solution, using phenanthroline as an indicator.
		The progress of this reaction may be followed by quenching aliquots of the reaction solution in acidic aqueous ammonium sulfate followed by extraction with ether and analysis of the ethereal extract by GC.
	www.orgsyn.org /orgsyn/orgsyn/prepContent.asp?prep=cv6p0821 (1005 words)

	Problem
		The resultant reaction produced a precipitate of barium sulfate, which was collected by filtration, washed dried and weighed.
		Concentrated phosphoric acid as sold for use in the laboratory is usually 90% H
		The Honors Super Challenge (sorry, all of my other problems on solution stoichiometry were pretty pathetic, so here is a better one on molecular geometry)
	homepages.nyu.edu /~vk276/ch4problems.htm (525 words)

	Science made alive: Chemistry/Elem
		ferrous sulfate, or ferrous ammonium sulfate (Mohr's salt)
		One must keep in mind that lead and its compounds are quite toxic.
		Cerium (IV) is a powerful oxidizer and it is available commercially as cerium (IV) sulfate or cerium (IV) ammonium nitrate.
	81.207.88.128 /science/chem/elem/index.html (1897 words)

	Belousov-Zhabotinskii Lab
		"He mixed potassium bromate, cerium(IV) sulfate, and citric acid in dilute sulfuric acid and found that the ratio of concentration of the cerium(IV) and cerium(III) ions oscillated"
		His discovery was rejected because his proposal meant that the reaction did not go directly to the thermodynamic equilibrium, like it was believed every reaction should do.
		For approximately 75 seconds, the solution oscillated between an orange color and a rusty orange color, working its way to oscillating into a colorless solution.
	ed.augie.edu /~gjhonsbr/BZ_lab.html (3494 words)

	Send Inquiry or RFQ to Cerium (IV) Sulfate CAS 13590-82-4 Suppliers & Manufacturers
		Send Inquiry or RFQ to Cerium (IV) Sulfate CAS 13590-82-4 Suppliers and Manufacturers
		Only buyer inquiries with legitimate requests for products/services will be forwarded.
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	www.chemicalregister.com /Cerium_IV_Sulfate/rfq/pid31954.htm (193 words)

	CHE251
		2 drops ferroin (AKA iron(II) 1,10-phenanthroline sulfate) (indicator) (dissolve 1.5 g of 1, 10-phenanthroline monohydrate, C12H8N2.H2O in 100 ml of 0.025 M iron (II) sulfate) PREPARE FRESH
		eight (8) drops of sodium diphenylaminesulfonate indicator (dissolve 0.3 g sodium slt in 100 ml water OR 0.3 g hot water + exess 0.1 M sodium sulfate solution; let soln stand until barium sulfate settles; filter or decant soln.
		Solution: 1.3 to 1.5g Pure Iron(II) Ammonium Sulfate + 100 ml DH2O, then add 10 ml conc.
	www.uvi.edu /SandM/che251.htm (2140 words)

	Safety (MSDS) data for cerium (IV) sulfate (Site not responding. Last check: 2007-10-11)
		Synonyms: ceric sulphate, ceric sulfate, cerium sulphate, cerium disulfate, cerium (IV) sulphate, cerium disulphate
		Oxidizing - contact with combustible material may cause fire.
		If not, this page is a copy made by some other person and we have no responsibility for it.
	physchem.ox.ac.uk /MSDS/CE/cerium_IV_sulfate.html (208 words)

	Surplus Chemicals Inventory C thru I
		CADMIUM CHLORIDE, ANHYDROUS, POWDER BAKER ANAL ACS RGNT
		CADMIUM SULFATE, ANHYDROUS, POWDER BAKER ANAL ACS RGNT
		CERIC AMMONIUM SULFATE, DIHYDRATE, CRYSTAL BAKER ANAL ACS RGNT
	offices.colgate.edu /chemmgt/surpluscheminventC-I.htm (99 words)

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