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Topic: Potassium peroxide

	Potassium oxide - Wikipedia, the free encyclopedia
		Potassium oxide is a compound of potassium and oxygen used mainly as an intermediate in inorganic synthesis.
		In both cases, an excess of potassium is used and is subsequently vacuum distilled at high temperatures to separate it from the potassium oxide.
		Potassium oxide is the main by-product of this reaction.
	en.wikipedia.org /wiki/Potassium_oxide (422 words)

	Encyclopedia :: encyclopedia : Potassium (Site not responding. Last check: 2007-10-12)
		Potassium is a soft silvery-white metallic alkali metal that occurs naturally bound to other elements in seawater and many minerals.
		Potassium chloride is used as a substitute for table salt and is also used to stop the heart, e.g.
		Potassium salts such as carnallite, langbeinite, polyhalite, and sylvite are found in ancient lake and sea beds.
	www.hallencyclopedia.com /Potassium (1037 words)

	Peroxide - Wikipedia, the free encyclopedia
		The usual peroxide used in commercial applications is a dilute solution containing traces of stabilisers, and is sold in either brown glass or opaque polyethylene bottles to minimise the rate of decomposition.
		Barium peroxide is used in pyrotechnics and tracer ammunition, and was once used in the manufacture of hydrogen peroxide.
		Sodium peroxide is used as a carbon dioxide absorber and oxygen regenerator (e.g.
	en.wikipedia.org /wiki/Peroxide (667 words)

	magnesium: BHP Magnesium (Site not responding. Last check: 2007-10-12)
		oxide magnesium oxide magnesium oxide Magnesium Oxide (chemistry) Magnesium perchlorate Magnesium peroxide Magnesium Phosphate Cement magnesium salicylate Magnesium Silicate Magnesium silicide...
		Magnesium fluoride Magnesium hydroxide Magnesium in biology Magnesium mica Magnesium oxide Magnesium peroxide Magnesium sulfate Magnesium sulphate Magness Magness, AR Magness, Arkansas Magnet Magnet...
		Magnesium Peroxide Magnesium peroxide is a white, tastless, water-insoluble powder used as an antiseptic and as an oxidizing and bleaching agent.
	www.bhpmagnesium.com /magnesiumperoxide (1847 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		Predict of where hydrogen peroxide catalysis may occur in the body and why it is necessary.
		Potassium permanganate is also a strong oxidant, avoid contact with skin and other organic compounds.
		Hydrogen peroxide is often used as a disinfectant and very reactive and decomposes rapidly when it contacts uneven surfaces.
	ed-web3.educ.msu.edu /intern99/FINALD~1.DOC (7219 words)

	Potassium
		Webmasters comment: Potassium Permanganate is used to kill parasites, sterilize bacteria, clean wounds and It will makes a pond nice and clean.
		Potassium can kill a lot of algae, increasing oxygen demand, especially in warm water over eighty degrees.
		Apply standard OTC Hydrogen Peroxide 3% USP at a rate of one quart per five thousand gallons of pond water.
	www.geocities.com /koifla/Potassium.htm (658 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		Liquid peroxides or solutions shall be stored so that the peroxide will not freeze or precipitate, because these forms are extremely sensitive to heat or shock.
		The sensitivity of organic peroxides to heat and shock may be reduced by diluting the peroxides with inert solvents (such as aliphatic hydrocarbons or mineral oil).
		Peroxide forming solvents shall be dated when opened and checked for the presence of peroxides with either wet chemicals or test strips.
	www.famu.edu /about/admin/vpad/ehsd/doc/specialwasteprocess_1.doc (840 words)

	American Chemical Society: Chemical & Engineering Safety Letters (Site not responding. Last check: 2007-10-12)
		The potassium metal was supplied vacuum packed in polyethylene bags (high-density, 0.2-mm thickness) and not under oil as usual.
		Since the potassium metal was covered with a millimeter-thick yellowish-white crust (10 to 70% weight per weight) it had always been assumed that peroxides had been present, which caused an explosive reaction with the organic petroleum benzene.
		Potassium metal sealed in polyethylene bags under vacuum is not a safe or recommended method for the storage and transportation of this material.
	pubs.acs.org /cen/safety/potassium.html (373 words)

	Reactive Oxygen Species Regulate Oxygen-sensitive Potassium Flux in Rainbow Trout Erythrocytes -- Bogdanova and ...
		of the equation in Fig 4, of the oxygen-stimulated potassium
		potassium fluxes by NEM was not inhibited by MPG (Fig 6 B).
		Hydrogen peroxide can further form hydroxyl radicals (•OH) and hydroxyl ions in the actual Fenton reaction in the presence of ferrous or cuprous ions (which are simultaneously oxidized to ferric or cupric ions).
	www.jgp.org /cgi/content/full/117/2/181 (5020 words)

	Reactions of the Group 1 elements with oxygen and chlorine
		Small pieces of potassium heated in air tend to just melt and turn instantly into a mixture of potassium peroxide and potassium superoxide without any flame being seen.
		Note: Potassium peroxide and superoxide are described as being somewhere between yellow and orange depending on what source you look at.
		I have a bit of a problem with this, because over my teaching career I have heated potassium in air many times and, if memory serves correctly, it always leaves a greyish white film on the bit of porcelain you are heating it on.
	www.chemguide.co.uk /inorganic/group1/reacto2.html (1620 words)

	DOE-HDBK-1081-94, Primer on Spontaneous Heating and Pyrophoricity
		The fire hazard properties of potassium (K) are very similar to those of sodium with the difference that potassium is usually more reactive.
		For example, the reaction between potassium and the halogens is more violent, and, in the case of bromine, a deflagration/detonation can occur.
		Explosions have occurred while zirconium was being dissolved in a mixture of sulfuric acid and potassium acid sulfate.
	www.eh.doe.gov /techstds/standard/hdbk1081/hbk1081d.html (3708 words)

	Ferrates
		Besides the dry fusion of ferric oxide and potassium hydroxide, Fremy also produced potassium ferrate by electrolyzing KOH solution with a cast iron anode and by bubbling chlorine into ferric hydroxide suspended in a potassium hydroxide solution.
		Hrostowski and Scott reported the preparation of 96.9% potassium ferrate by a similar method, using sodium hypochlorite as the oxidizing agent and precipitating potassium ferrate from the sodium ferrate solution obtained by adding solid potassium hydroxide until the solution was saturated.
		It seems that the bulk of the potassium ferrate would be precipitated by 11 molar potassium hydroxide solution while the bulk of the potassium chloride and potassium nitrate impurities would remain in solution.
	www.sciencemadness.org /library/ferrates.html (1193 words)

	The Skeptical Aquarist
		Hydrogen peroxide is available everywhere as a 3% solution in distilled water with some stabilizers that may include trace amounts of phosphate and harmless ascorbic acid.
		Hydrogen peroxide has many uses in industrial wastewater management, and it would be more used in fish farming if the FDA would extend its approved uses.
		The FDA continues to withold final okay for the use of hydrogen peroxide to eliminate ectoparasites, but in Hawaiian tests the marine flagellate Amyloodinium, a close relative of freshwater Oodinium, was cleared from fishes' gills.
	www.skepticalaquarist.com /docs/health/hydper.shtml (382 words)

	Noninvasive Measurement of Potassium Efflux as an Early Indicator of Cell Death in Mouse Embryos -- Trimarchi et al. 63 ...
		Hydrogen peroxide induces shrinkage and potassium efflux from mouse zygotes.
		Potassium concentration data are presented as the increase in the potassium concentration of the media near embryos above that of the bulk media (2.5 mM = 0).
		At its peak, the potassium concentration near embryos was approximately 1.5 µM above that of the bulk media and coincided with a rapid rate of cell shrinkage.
	www.biolreprod.org /cgi/content/full/63/3/851 (4018 words)

	WAIS Document Retrieval (Site not responding. Last check: 2007-10-12)
		The weight of the benzoyl peroxide is not more than 0.002 percent of the weight of the milk being bleached, and the weight of the potassium alum, calcium sulfate, and magnesium carbonate, singly or combined, is not more than six times the weight of the benzoyl peroxide used.
		The weight of the hydrogen peroxide shall not exceed 0.05 percent of the weight of the milk and the weight of the catalase shall not exceed 20 parts per million of the weight of the milk treated.
		The weight of the benzoyl peroxide is not more than 0.002 percent of the weight of the dairy ingredients being bleached, and the weight of the potassium alum, calcium sulfate, and magnesium carbonate, singly or combined, is not more than six times the weight of the benzoyl peroxide used.
	www.cdphe.state.co.us /op/regs/consumer/Cheese-ID.html (16081 words)

	Stainsfile - Hemalum - de Groot
		Dissolve the potassium ferricyanide in 400 mL of the solvent.
		Both hydrogen peroxide and potassium ferricyanide are oxidising agents.
		The strength of hydrogen peroxide is not specified, but the commonest laboratory strength is 30 vols.
	stainsfile.info /StainsFile/stain/hematoxylin/aluminum/degroot.htm (203 words)

	Mechanisms of Cerebral Arterial Relaxations to Hydrogen Peroxide Editorial Comment -- Iida et al. 31 (9): 2224 -- Stroke
		Concentration-response curve to hydrogen peroxide in the absence and presence of catalase (1200 U/mL) obtained in canine middle cerebral arteries without endothelium.
		Concentration-response curve to hydrogen peroxide in the absence and presence of KCl (20 mmol/L) obtained in canine middle cerebral arteries without endothelium.
		Mechanisms of cerebral vasodilation by superoxide, hydrogen peroxide, and peroxynitrite.
	stroke.ahajournals.org /cgi/content/full/31/9/2224 (3170 words)

	Companhia Vale do Rio Doce
		- Potassium chloride and potassium nitrate are used as fertilizers.
		- Potassium peroxide is used in firefighter and mining breathing devices.
		However, in an identical volume of salt water, the quantity of potassium present is much smaller than that of sodium, reducing the economic viability of the operation.
	www.cvrd.com.br /cvrd_us/cgi/cgilua.exe/sys/start.htm?infoid=811&sid=116 (168 words)

	Section B5 (Site not responding. Last check: 2007-10-12)
		Peroxides (solid) that crystallize from or are left from evaporation of peroxidizable solvents
		Organic peroxides are among the most hazardous chemicals normally handled in laboratories.
		Unless it is known that the compound does not contain an explosive substance, do not use heroic efforts to open the bottle to examine the contents; it may be necessary to dispose of the bottle as a potentially explosive chemical.
	www.unomaha.edu /ehs/CSM/csmB5.htm (4349 words)

	Comparison and Evaluation of Bleaching Procedures
		Hydrogen peroxide refers to hydrogen peroxide A, potassium permanganate to potassium permanganate A. Figure 3(I).
		Pre- and post-aged potassium permanganate and calcium hypochlorite, on the other hand, have higher stress and shorter elongation, which is similar to the behavior of the untreated control paper after aging.
		The samples were immersed in the potassium permanganate solution for 30 see, taken out, drained off and immersed in the potassium metabisulfite solution.
	aic.stanford.edu /sg/bpg/annual/v10/bp10-10.html (4262 words)

	Shangyuchem FAQ-Technical information, Formulation guides, Application tips (Site not responding. Last check: 2007-10-12)
		Use of zinc peroxide as oxidant for explosives and pyrotechnical mixtures.
		Coated sodium percarbonate is the more commonly commercialized peroxide compared with the uncoated sodium percarbonate.
		Sodium perborate tetrahydrate is obtained by addition of hydrogen peroxide to a sodium metaborate solution at a temperature close to 20.degree.
	www.chem-world.com /faq.htm (1200 words)

	HAS THE OIL GONE BAD
		Peroxides produced by oxidation of the oil are measured using the technique based on their ability to liberate iodine from potassium iodide.
		Peroxide value is determined by measuring iodine released from potassium iodide.
		The amount of iodine liberated from KI by oxidative action of peroxides present in the oil is determined by titration in a biphasic system with Na
	www.uark.edu /depts/foodsci/mystery/manual/14_rancidresearch.html (707 words)

	ARS \| Publication request: Rapid Oxidative Dehairing Using Alkaline Hydrogen Peroxide and Potassium Cyanate: Reuse of ...
		Citation: Marmer, W.N., Dudley, R.L. Rapid Oxidative Dehairing Using Alkaline Hydrogen Peroxide and Potassium Cyanate: Reuse of the Dehairing Reagents.
		We followed the disappearance of the active ingredients during the course of a number of dehairing cycles, and determined that the solution could be recycled 7 to 8 times, thus reducing the cost of dehairing.
		The results show that scale-up trials are merited; eventual adoption of the procedure will provide the meat packing and leather industries and the consumer with a safe and environmentally sound process to control pathogens and prepare hides for conversion into leather.
	www.ars.usda.gov /research/publications/Publications.htm?seq_no_115=170115 (474 words)

	Prologue: EDHF-what is it? -- Campbell and Harder 280 (6): 2413 -- AJP - Heart and Circulatory Physiology
		Potassium causes vasodilation in low concentrations by activation of the sodium-potassium ATPase (18, 19).
		Several reports suggest that hydrogen peroxide functions as EDHF (5, 35).
		Inhibitors of the cytochrome P450-mono-oxygenase and endothelium-dependent hyperpolarizations in the guinea-pig isolated carotid artery.
	ajpheart.physiology.org /cgi/content/full/280/6/H2413 (2601 words)

	Sample Report for Science Project
		This led to each unknown liquid having a different concentration of potassium permanganate and hydrogen peroxide.
		It was not surprising that it should respond differently in beaker two, since it had already been determined (by test number one) that the liquid in beaker two was unique.
		This experiment could be improved by adding exactly the same volumes of hydrogen peroxide and potassium permanganate to each beaker.
	webpages.charter.net /kmluttrell/report.htm (1517 words)

	Chemical Stability
		Organic peroxides are a special class of compounds that have unusual stability problems that make them among the most hazardous substances normally handled in laboratories.
		Peroxide formation has been responsible for many serious explosions.
		A few common strong bases are potassium hydroxide, sodium hydroxide, and ammonia.
	www.usip.edu /safety/common/safehandl.htm (2022 words)

	Compare Prices and Read Reviews on Peroxide at Epinions.com
		Yes, this is a review about hydrogen peroxide, the same stuff that is sitting in your bathroom closet or vanity in that brown bottle covered with dust.
		Hydrogen peroxide, the common 3% solution that is used to clean cuts, scrape or minor injuries made from three ingredients; the concentrated hydrogen peroxide solution [30% or higher], phenacetin and water.
		While hydrogen peroxide is usually non-harmful, if mixed with other cleaners, chemicals or compounds it would result in a dangerous situation.
	www.epinions.com /content_31433854596 (2036 words)

	Safety & Health Services - Chemical Compatibilty
		Hydrogen iodide, Hydrogen peroxide, Hydrogen selenide, Hydrogen sulfide, Hydrogen telluride,
		Potassium forms an unstable, explosive peroxide and super oxide coating when stored under mineral oil.
		Potassium cyanide will absorb moisture from the air and will form a syrup.
	www.bnl.gov /esh/shsd/Programs/Program_Area_Chemicals_Compatibility.asp (4487 words)

	2437 Vital bleaching with two professional systems: Clinical trial comparing strips to custom trays (Site not responding. Last check: 2007-10-12)
		Purpose: To evaluate the clinical response of a low peroxide concentration bleaching system with a desensitizing agent relative to a marketed control.
		Tooth sensitivity was reported by 13% of subjects using the hydrogen peroxide strips, compared to 22% of subjects using the carbamide peroxide potassium nitrate tray system.
		Clinical Significance: Twice daily use of the 6.0% hydrogen peroxide whitening strip system resulted in greater whitening and less reported tooth sensitivity compared to the 5% carbamide peroxide potassium nitrate tray system.
	www.dentalcare.com /soap/journals/pgresrch/abstracts/adj02/abstract_01.htm (271 words)

	Sodium Percarbonate (Site not responding. Last check: 2007-10-12)
		On hydrogen peroxide, sodium percarbonate or sodium perborate.
		Sodium percarbonate, sodium carbonate and hydrogen peroxide are corrosive chemicals.
		Sodium Percarbonate (Sodium Carbonate Peroxyhydrate, Sodium Carbonate Peroxide and Abbr: SPC,PCS) is an important inorganic chemical, which is an addition of sodium carbonate and hydrogen peroxide.
	sodiumcarbonate.ifsodium.com /sodiumpercarbonate (632 words)

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