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Topic: Ferric oxide

Related Topics

Iron oxide

Ferrous oxide

Ferrous ferric oxide

Iron oxide

Iron

Rust

Oxide

Nitrous oxide

Silica

Trichlorosilane

Silane

Magnesium hydroxide

Ferrite

Chemical formula

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	Iron(III) oxide - Wikipedia, the free encyclopedia
		Iron(III) oxide — also known as ferric oxide, red iron oxide, synthetic maghemite, colcothar, or simply rust — is one of several oxide compounds of iron, and is most notable for its ferromagnetic properties.
		The mineral form of ferric oxide is hematite; it is mined as the main ore of iron.
		Iron(III) oxide is often used in magnetic storage, for example in the magnetic layer of floppy disks.
	en.wikipedia.org /wiki/Ferric_oxide (329 words)

	IRON - LoveToKnow Article on IRON
		Ferric oxide or iron sesquioxide, Fe303, constitutes the valuable ores red haematite and specular iron; the minerals brown haematite or limonite, and gthite and also iron rust are hydrated forms.
		Ferric oxide is employed as a pigment, as jewellers rouge, and for polishing metals.
		Ferric suiphide, FcfSn is obtained by gently heating a mixture of its Constituent elements, or by the action of sulphuretted hydrogen on ferric oxide at temperatures below 1000.
	www.1911encyclopedia.org /I/IR/IRON.htm (5775 words)

	IRON - LoveToKnow Article on IRON (Site not responding. Last check: 2007-11-06)
		Red ferric hydroxide dissolves in acids to form a well-definec series of salts, the ferric salts, also obtained by oxidizing ferrom salts; they are usually colorless when anhydrous, but yellov or brown when hydrated.
		Heated in air it yields a mixture of ferric oxide and chloride, and in steam magnetic oxide, hydrochloric acid, and hydrogen.
		Ferric chloride, FeCI3, known in its aqueous solution to Glauber as oleum mar/is, may be obtained anhydrous by the action of dry chlorine on the metal at a moderate red-heat, or by passing hydrochloric acid gas over heated ferric oxide.
	19.1911encyclopedia.org /I/IR/IRON.htm (5775 words)

	Discussions of the Faraday Society articles
		Ferric oxide hydrosols are composed of a haematite core surrounded by an hydrated oxide shell.
		Interactions have been studied, on both sides of the p.z.c., between ferric oxide surface and a series of anions and cations having characteristics ranging from structure promoters to structure breakers.
		Although ferric oxide has a moderate crystalline field, the observed adsorption sequences show that the interface acts as a structure promoter for water molecules.
	www.rsc.org /Publishing/Journals/DF/article.asp?doi=DF9715200352 (153 words)

	Merox: Ferric Oxide
		Ferric oxide is produced using a spray-roasting process.
		Merox Ferric Oxide type 300, 400 and 450 is used mainly in the production of ferrite components, and, to some extent, as a colouring pigment in concrete, plastics and glass.
		Classification of Merox Ferric Oxide is reverified after densifying and bagging by the chemical composition of the batch sample automatically collected at the bagging machine.
	www.merox.ssab.com /products/ferric_oxide (405 words)

	Haematite and Ferric Oxide (Suppl7) (Site not responding. Last check: 2007-11-06)
		Some studies of metal workers exposed to ferric oxide dusts have shown an increased incidence of lung cancer [ref: 1,15], but the influence of factors in the workplace other than ferric oxide, i.e., soot, silica and asbestos in foundry work, cannot be discounted.
		In one study, intrapleural inoculation of the respirable fraction of iron ore mine dust to female BALB/c mice resulted in an increased incidence of lung adenomas; in a second study, an increased incidence of lymphoma/leukaemia was observed in female C57BL/6J mice exposed chronically to the same dust.
		Stenback, F., Rowland, J. & Sellakumar, A. (1976) Carcinogenicity of benzo[a]pyrene and dusts in the hamster lung instilled intratracheally with titanium oxide, aluminium oxide, carbon and ferric oxide.
	monographs.iarc.fr /htdocs/monographs/suppl7/haematite.html (961 words)

	H-Glaze 1993
		O, as the hydrate. Rust is mainly hydrated ferric oxide. Haematite occurs in fl metallic crystals as ‘specular iron’; and can also take on a dull red appearance when finely reduced. It is only slightly magnetic and conductive.
		Ferroso-ferric oxide, Fe is the most stable oxide of iron. It has a fl metallic lustre and occurs as Magnetite, the lodestone of the ancients. Importantly for the present investigation, it forms when iron is heated in air or steam and (as its name implies) it is strongly magnetic. It is also slightly conductive.
		Although both oxides are slightly conductive, the H-glaze sample in my possession exhibited very little conductivity and that on only about 1% of the surface. This was probably due to the other impurities present but the observed finely reduced crystalline structure could also have been a contributory factor.
	www.xstreamscience.org /Old_H_Glaze/h_glaze_2.htm (707 words)

	Arsenic Treatment (Site not responding. Last check: 2007-11-06)
		Ferric oxide-based adsorbents, for example, have been applied in municipal systems for arsenic treatment for several years.
		In some cases such as with granular ferric oxide, the technology has been applied for years at the municipal level, giving prospective point-of-entry or point-of-use users not only a high comfort level, but a large existing base of fundamental performance data.
		Granular ferric oxide first was commercially applied to arsenic treatment in municipal water systems in the United Kingdom.
	www.wqpmag.com /wqp/index.cfm/powergrid/rfah=\|cfap=/CFID/927460/CFTOKEN/35843934/fuseaction/showArticle/articleID/4120 (1740 words)

	Ferric oxide (Site not responding. Last check: 2007-11-06)
		Ferric oxides are often added to coatings and foundry moulding materials in order to suppress casting defects like pinholes.
		Castings defects resulting from thermal expansion are reduced by the addition of ferric oxide to the moulding material, because the thermal expansion of the moulding material is reduced.
		Ferric oxide may show sperical, plate-like or needle-like shape depending upon type of production and may be also used as a rheologic additive.
	www.a-m.de /englisch/lexikon/eisenoxid.htm (159 words)

	Waste Ferrous Sulphate Use to Obtain Ferric Oxide (a-Fe2O3) for Soft Ferrites
		The main compound (70-80%) in ferrite is ferric oxide.
		The ferric oxide obtained was tested in soft ferrite preparation with good results.
		Ferric oxide obtained by waste ferrous sulphate purification has a purity, physical and chemical properties similar with ferric oxide imported from Belgium.
	www.environmental-expert.com /articles/article424/article424.htm (732 words)

	Transene - Etchants
		Iron Oxide Mask Etchants are recommended for generating patterns used as electron resist masks or as semi-transparent see-through masks on glass for photoresist imaging in the manufacture of microelectronic devices.
		The ferric oxide see-through mask on glass allows simple alignment and smaller geometries, now requisite for the micro-electronics industry.
		With ferric oxide masks, unwanted light is absorbed, rather than reflected, as with chromium masks.
	www.transene.com /fe2o3.html (234 words)

	Iron oxide - Wikipedia, the free encyclopedia
		Iron(II) oxide or ferrous oxide (FeO) The fl-coloured powder in particular can cause explosions as it readily ignites.
		Iron(III) oxide or ferric oxide (Fe) known in its natural state as hematite (also 'haematite'), but also purified for use as a coating in magnetic audio and computer media, where it is known as ferric oxide.
		Iron(II,III) oxide or ferrous ferric oxide (Fe), better known as the fl-coloured mineral magnetite or lodestone also seen on mars
	en.wikipedia.org /wiki/Iron_oxide (166 words)

	Low value resistor inks - Patent 4452844
		Cadmium oxide is added to raise the TCR value of the subject resistor inks, and ferric oxide, vanadium oxide or mixtures thereof is added to lower the TCR value thereof.
		The conductive component of the subject resistor inks is a mixture of stannous oxide and molybdenum trioxide, a portion of which may be replaced with metallic molybdenum.
		In the above formulations, the glass frit was comprised of 45 percent of barium oxide, 20 percent of aluminum oxide and 35 percent of boron trioxide.
	www.freepatentsonline.com /4452844.html (2538 words)

	MFA - CAMEO - Material Description
		A yellow to brown hydrated iron oxide material that occurs in nature as the minerals goethite, lepidocrocite, and limonite.
		Ferric hydroxide slowly loses water to form ferric oxide or rust.
		Some commercial names for synthetically prepared yellow iron oxide compounds are Mars yellow, Mapico yellow, Ferrite, and Ferrox.
	www.mfa.org /_cameo/frontend/fullrecord.asp?name=ferric+hydroxide (115 words)

	Gamma Ferric oxide (Site not responding. Last check: 2007-11-06)
		The most common magnetic material used for particulate media is an oxide of iron called gamma ferric oxide or synthetic maghemite (Fe2O3).
		Gamma ferric oxide (gamma-Fe2O3) must be prepared from ferrous oxide (Fe3O4 -synthetic magnetite) by oxidation.
		Unfortunately ferrous oxide (Fe3O4) is a cubic crystal and does not easily form into elongated ellipsoidal particles.
	www.ee.washington.edu /conselec/CE/kuhn/taperecord/gfo.htm (216 words)

	Iron(III) oxide -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-06)
		The (Solid homogeneous inorganic substances occurring in nature having a definite chemical composition) mineral form of ferric oxide is (The principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form) hematite; it is mined as the main ore of iron.
		The majority of recorded information on earth (such as (The words of something written) text and (A picture of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material) photographs) is stored in the form of magnetization patterns on a thin layer of iron(III) oxide.
		The (Click link for more info and facts about CAS number) CAS number of ferric oxide is 1309-37-1.
	www.absoluteastronomy.com /encyclopedia/i/ir/iron(iii)_oxide3.htm (660 words)

	Nickel adsorption to hydrous ferric oxide in the presence of EDTA: Effects of component addition sequence (Site not responding. Last check: 2007-11-06)
		Nickel, EDTA, and hydrous ferric oxide were combined in different sequences to study the effect on equilibration.
		In this system, the fraction of nickel adsorbed to the hydrous ferric oxide depended on the component addition sequence, but the fraction of EDTA adsorbed did not.
		Nickel adsorption to hydrous ferric oxide in the presence of EDTA: Effects of component addition sequence.
	www.uga.edu /srel/Reprint/1901.htm (248 words)

	Corundum - Sapphire & Ruby are both Corundum
		It is better known for the two closely related varieties of gemstone, sapphire and ruby.
		Chromic oxide causes brilliant red colouring in corundum, thereby producing rubies.
		Ferric oxide causes yellow colouration, titanium oxide produces vivid blue.
	www.24carat.co.uk /corundum.html (306 words)

	Limonite -- Britannica Student Encyclopedia
		It was originally considered one of a series of such oxides; later it was thought to be the amorphous equivalent of goethite and lepidocrocite, but X-ray studies have shown that most so-called limonite is actually goethite.
		rust-coloured oxide minerals (usually limonite) that cap an ore deposit; they thus may be used as clues to the existence of subsurface ore deposits, especially if distinctive boxworks are present.
		a major iron mineral, hydrated ferric oxide (Fe2O3•H2O); originally considered one of a series of such oxides and later thought to be amorphous equivalent of goethite and lepidocrocite, but X-ray studies showed most so-called limonite actually goethite; name limonite properly restricted to impure hydrated iron oxide (with variable water content), colloidal, or amorphous,...
	www.britannica.com /ebi/article-9312189?tocId=9312189 (632 words)

	Glaze Calc Glossary I
		Ferric oxide (Fe Iron oxide is present in most ceramic raw materials.
		It is for this reason that it is the only colouring oxide included in the Glaze Calculator.
		As a basic oxide FeO is included in the unity of a unity formula.
	www.glazecalc.com /glz/glzglsi.htm (83 words)

	ipedia.com: Iron (III) oxide Article (Site not responding. Last check: 2007-11-06)
		Iron (III) oxide, also known as ferric oxide, red iron oxide or synthetic maghemite, is one of several oxide compoundss of iron, and is most notable for its ferromagnetic properties.
		Iron (III) oxide is often used in magnetic storage, for example in the magnetic layer of floppy disks.
		Magnetic Ink Character Recognition also uses Iron (III) oxide compounds, suspended in an ink which can be read by special scanning hardware.
	www.ipedia.com /iron__iii__oxide.html (207 words)

	Nickel desorption kinetics from hydrous ferric oxide in the presence of EDTA (Site not responding. Last check: 2007-11-06)
		Introducing 10 µM EDTA to a system of nickel adsorbed to hydrous ferric oxide (HFO) at pH 8 promoted esorption of Ni as well as dissolution of HFO.
		By monitoring changes in the solution concentrations of Ni and Fe after the introduction of EDTA, it was possible to discern the important processes controlling Ni desorption.
		Nickel desorption kinetics from hydrous ferric oxide in the presence of EDTA.
	www.uga.edu /srel/Reprint/2059.htm (313 words)

	Natural Mineral Pigments: Hematite
		Cold Hematite is a ferric oxide mineral of dark reddish purple hue.
		In other words, the iron to which they owe their color is ferric oxide not hydrated ferric oxide.
		A simple test for the purity of hematite pigment can be made by observing its characteristic property to form a metallic, steel colored ball when a drop of water is placed upon the dry powder pigment.
	www.iconofile.com /pigments_hematite.asp (800 words)

	Ferrlecit Online, Description, Chemistry, Ingredients - Sodium ferric gluconate - RxList Monographs
		Ferrlecit® (sodium ferric gluconate complex in sucrose injection) is a stable macromolecular complex with an apparent molecular weight on gel chromatography of 350,000 + 23,000 daltons.
		The macromolecular complex is negatively charged at alkaline pH and is present in solution with sodium cations.
		Each ampule of 5 ml of Ferrlecit® for intravenous injection contains 62.5 mg (12.5 mg/ml) of elemental iron as the sodium salt of a ferric ion carbohydrate complex in an alkaline aqueous solution with approximately 20% sucrose w/v (195 mg/ml) in water for injection, pH 7.7 - 9.7.
	www.rxlist.com /cgi/generic2/sodfg.htm (176 words)

	Search Results for ferric - Encyclopædia Britannica
		The most important oxidation states of iron are +2 and +3, though a number of +4 and +6 states are known.
		Adenochrome is a nonproteinaceous pigment that occurs as garnet-red inclusions at high concentrations in the glandular, branchial heart tissues of Octopus bimaculatus.
		These minerals are high in magnesium and ferric oxides, and their presence gives mafic rock its...
	www.britannica.com /search?query=ferric&submit=Find&source=MWTEXT (404 words)

	Properties of Iron Oxide (Site not responding. Last check: 2007-11-06)
		There are two different isotopes of iron ions, Fe and Fe thus causing two different possible iron oxide compounds.
		These two compounds are ferrous and ferric oxide, or iron (II) and iron (III) oxide.
		Ferric Oxide- Fe This page will discuss the compound ferrous oxide, not ferric oxide.
	web1.caryacademy.org /chemistry/rushin/StudentProjects/CompoundWebSites/2003/ironoxide/properties.htm (48 words)

	Chapter Ferreter <i>to</i> Fess of F by Webster's Dictionary (1913 Edition)
		A combining form indicating ferric iron as an ingredient; as, ferricyanide.
		Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide; ferric acid.
		One of a complex series of double cyanides of ferric iron and some other base.
	www.bibliomania.com /2/3/257/1197/22650/1.html (234 words)

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