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Topic: Chromic acid

	Chromic acid - Wikipedia, the free encyclopedia
		While these acids are not available, they are known through their divalent anions (chromate and dichromate respectively) and the compounds formed from them.
		Chromic acid solutions are generally acidified aqueous solutions of chromate or dichromate salts.
		Chromic acid in the presence of aqueous sulfuric acid is known as the Jones reagent, and will oxidize primary and secondary alcohols to carboxylic acids and ketones, respectively.
	en.wikipedia.org /wiki/Chromic_acid (729 words)

	Plating Resources, Inv. provides chrome plating chemicals and plating services.
		In addition, HCP grade chromic acid is a non dusting material that is also very easy to pour and resists caking.
		HCP Grade Chromic Acid is unconditionally warranted as to the purity specified.
		Chromic acid is a strong oxidizer so contact with organic materials and reducing agents must be avoided.
	www.plating.com /chromicacid.htm (502 words)

	Chromic Acid: Health Effects and Reducing Workplace Exposure (via CobWeb/3.1 planetlab2.cs.umd.edu) (Site not responding. Last check: 2007-10-21)
		During the chrome plating process, a current is passed through the chromic acid solution from a negative electrode (anode) to the part that acts as the positive electrode (cathode).
		Chromic acid is an oxidizing agent that is irritating to all exposed tissues.
		The cause of the high chromic acid levels was thought to be due to a combination of factors.
	www.p2pays.org.cob-web.org:8888 /ref/01/00001.htm (2176 words)

	Chromic Acid (Site not responding. Last check: 2007-10-21)
		As chromic acid does not attack the base aluminium it is safe to use on components where the electrolyte may be trapped in joints and crevices and is the preferred method for castings.
		Chromic acid anodising is used primarily in the aircraft, ammunition and the knitting needle industries, also where very tight tolerances need to be maintained.
		It is the recommended process for casting due to the chromic acid being inert to the base aluminium.
	www.ase4anodising.co.uk /chrome.htm (146 words)

	Chromic Acid Anodize
		Chromic Acid Anodize (CAA) is a very vital process that provides protection for aircraft structures and components.
		Chromic Acid Anodize is the rapid controlled oxidation of the surface of aluminum.
		Basically, the aluminum is treated electroltically in a dilute solution of chromic acid that produces a gray, opaque coating which effectively retards corrosion.
	www.avcorp.com /chromic-acid-anodize.asp (309 words)

	Kurion UK - Chromic Acid Recycling for Chromic Acid Anodising
		The chromic acid process is used where high corrosion resistance is required with the subsidiary requirement of crack detection.
		A typical process solution used in the aerospace industry has a free chromic acid content in the order of 45g/l and is operated up to a maximum total of 100g/l after which partial or full replacement of the solution is required.
		The “free” chromic acid refers to the chrome in its hexavalent or oxidised state whilst the total figure refers to the presence of the free or hexavalent chrome and trivalent or reduced chrome.
	www.kurion.co.uk /Chromic_Acid_Recycling.html (454 words)

	Elementis Chromium: Products and Applications/Chromic Acid (via CobWeb/3.1 planetlab2.cs.umd.edu) (Site not responding. Last check: 2007-10-21)
		Chromic acid is used in the process of chrome plating and in the
		Chromic acid is used as one ingredient in the preparation of wood preservatives and the chrome plating process.
		Chromic acid is also used extensively as an ingredient in formulating industrial wood preservatives.
	www.elementischromium.com.cob-web.org:8888 /products/chromicacid.htm (294 words)

	Chromic Acid Anodising - Hard Anodising
		Compared with sulphuric acid anodising, the chromic acid anodising process gives relatively soft, thin coatings, normally of two to five microns thickness.
		The item to be anodised contains crevices or small blind holes from which it may be difficult to remove electrolyte; traces of the highly coloured chromic acid are easily seen but, in any case, are non-corrosive towards aluminium.
		In fact this ability is exploited in the field of crack detection where the presence of chromic acid leaching out of a crack is easy to detect.
	www.hard-anodising.co.uk /chromic-acid-anodising.asp (209 words)

	PF Online Feature Article - The Specifics of Architectural Anodizing
		Sulfuric acid anodizing is probably the most commercially important, since it can produce coatings in a range of thicknesses.
		Chromic acid anodized surfaces are also porous and, therefore, able to be dyed.
		A chromic acid anodized coating is harder than the base metal; however, it provides limited abrasion resistance because of the low thickness and structure.
	www.pfonline.com /articles/030303.html (1747 words)

	31318. Cleaning up Chromic Acid Surface Contamination [Michigan]
		I have a client who has surfaces in the near vicinity of a large chromic acid tank that are visibly contaminated with chromic acid.
		Once you reduce the chromic acid to trivalent with bisulphite it cannot be returned to the plating tank or reused.
		That is probably not an issue in cleanups of this sort, but it should be mentioned in case someone reads this who is in a somewhat different situation where return of chromic acid to the plating tank might be warranted.
	www.finishing.com /313/18.shtml (1181 words)

	SULFURIC/BORIC ACID ANODIZING
		The rinse waters still contain metals and acids that must be treated at the IWTP prior to release to a POTW.
		Chromic acid can irritate the respiratory tract and mucous membranes, and is a known mutagen.
		Significantly reduces the amount of chromic acid to be treated at the IWTP.
	p2library.nfesc.navy.mil /P2_Opportunity_Handbook/1_6.html (759 words)

	Boeing: Suppliers -- General Information -- Supplier Environmental Compliance -- Non-Chrome Anodize
		Per BAC 5019 Section 1, Parts may be anodized in accordance with BAC 5632 Boric Acid -- Sulfuric Acid Anodize in lieu of BAC 5019 Chromic Acid Anodize, except when Class 4 is specified or when directed by drawing to chromic acid anodize in accordance with BAC 5019 only.
		BAC5022 is not a suitable replacement for chromic acid anodize.
		The tank and piping must be resistant to the high concentration sulfuric acid (316L stainless for example).
	www.boeing.com /companyoffices/doingbiz/environmental/chromic.html (542 words)

	Chromic Acid / Chromium Oxide/ Cr03 from READE
		, Chromic anhydride, Chromic oxide, Chromium(VI) oxide (1:3), Chromium trioxide, Chromic acid, chromium oxide, CrO
		, Chromic anhydride, Chromic oxide, Chromium(VI) oxide (1:3), Chromium trioxide
		Chromium plating, wood preservation industry, anodizing aluminum, corrosion resistance applications, sealing phosphate coatings applied to iron or steel, bright dipping of brass, acid cleaning of Al and Mg and organic synthesis.
	www.reade.com /Products/Other_Compounds/chromic_acid.html (195 words)

	Incompatible Chemicals - Univ. of Ky Animal & Food Sciences
		Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates
		Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens
		Acetylene, oxalic acid, tartartic acid, ammonium compounds, fulminic acid
	www.uky.edu /Ag/AnimalSciences/research/incompchem.html (331 words)

	Isophthalic acid - Wikipedia, the free encyclopedia
		Isophthalic acid, or benzene-1,3-dicarboxylic acid, is an aromatic dicarboxylic acid, with formula C
		Isophthalic acid can be obtained by oxidizing meta-xylene with chromic acid, or by fusing potassium meta-sulphobenzoate, or meta-brombenzoate with potassium formate (terephthalic acid is also formed in the last case).
		Uvitic acid, 5-methylisophthalic acid, is obtained by oxidizing mesitylene or by condensing pyroracemic acid with baryta water.
	en.wikipedia.org /wiki/Isophthalic_acid (140 words)

	DRDB: SACAQMD 480 CHROME PLATING AND CHROMIC ACID ANODIZING
		206 CHROMIC ACID ANODIZING: The electrolytic process by which a metal surface is converted to an oxide surface coating by the action of a solution containing chromic acid.
		Emissions shall be calculated as the sum of emissions from the emissions collection system(s) at the stationary source.
		401.2 A weekly record of current integrated over time (ampere-hours) for all plating tanks used at a chrome plating or chromic acid anodizing stationary source shall be maintained.
	www.arb.ca.gov /drdb/sac/suphtml/r480.htm (1248 words)

	Chromic acid Use
		Chromic acid - Pesticide use statistics for 2004
		Top 50 Crops and Sites for for Chromic acid use in California in 2004
		Regional Use for Chromic acid on All Sites in 2004
	www.pesticideinfo.org /Detail_ChemUse.jsp?Rec_Id=PC33594 (940 words)

	Hazard Waste Management
		Acetic acid, naphthalene, camphor, glycerin, turpentine, alcohol, flammable liquids in general
		Fuming nitric acid, oxidizing gases, acetylene, ammonia (aqueous or anhydrous), hydrogen
		Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases
	www.uww.edu /adminaff/hazwastelist.htm (211 words)

	UC Davis - Office of Environmental Health & Safety
		Mercury (e.g., in manometers), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid (anhydrous)
		Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids and gases, copper, brass, any heavy metals
		Acetylene, oxalic acid, tartaric acid, ammonium compounds, fulminic acid
	ehs.ucdavis.edu /sftynet/sn-4.cfm (287 words)

	Eco-Tec :: Aluminum Finishing Systems - Chromic Acid Recovery :: Do More With Less (Site not responding. Last check: 2007-10-21)
		recovers purified chromic acid that is ready to use
		removes acid from recovered nickel salts ensuring bath pH is not affected
		Recovery and purification of nickel salt and chromic acid using the Recoflo™ system
	www.eco-tec.com /main/electroplating/ChromicAcidRecovery.htm (156 words)

	chromic acid - Storming Media
		A Comparison of Thin Film Sulfuric Acid Anodizing and Chromic Acid Anodizing Processes Date: 25 APR 95
		A Comparison of Alternatives to Chromic Acid Anodizing, Tri-Service Committee on Corrosion Proceedings Held in Orlando, Florida on June 21-23 1994 Date: JUN 94
		Determination of Sulfuric Acid in Chromium Plating Solutions Using Gravimetric Analysis Date: NOV 1991
	www.stormingmedia.us /keywords/chromic_acid.html (281 words)

	Antimony Metal, Cadmium Oxide, Calcium Nitrite, Chromic Acid, Molybdenum Oxide, Oxalic Acid, Sodium Bifluoride, Sodium ...
		Antimony Metal, Cadmium Oxide, Calcium Nitrite, Chromic Acid, Molybdenum Oxide, Oxalic Acid, Sodium Bifluoride, Sodium Thiocyanate, Zinc Chloride, North America's Antimony Oxide Distributer, Antimony Metal, Cadmium Oxide, Calcium Nitrite, Chromic Acid, Molybdenum Oxide, Oxalic Acid, Sodium Bifluoride, Sodium Thiocyanate, Zinc Chloride, dealer, trader, distributor of Antimony, Oxide in New York USA
		We offer many other products as well as Antimony Oxide.
		Oxxides, Inc. provides the highest level of customer satisfaction by sourcing the best possible product within the customer's requirement followed by delivery at the time of the customer's need.
	www.oxxides.com /products.htm (124 words)

	Chromic Acid Manufacturers -Eastern Chemical Industries - Home (Site not responding. Last check: 2007-10-21)
		Chromic Acid Manufacturers -Eastern Chemical Industries - Home
		WELCOME TO ENEX --- YOUR ONE-STOP SOURCE FOR CHROMIC ACID
		Our Aim: To be a world class business that lives by technical excellence, innovation, partnership and reliability.
	www.easternchemical.com (43 words)

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