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Topic: Oxide


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  ATSDR - MMG: Ethylene Oxide
Ethylene oxide reacts with water, strong acids, alkalies, and oxidizers; chlorides of iron, tin, and aluminum; and oxides of iron and aluminum.
Ethylene oxide poisoning is not known to pose additional risk during the use of bronchial or cardiac sensitizing agents.
Ethylene oxide is suspected of causing cancer of the blood, and birth defects may occur in infants whose mothers were repeatedly and excessively exposed during pregnancy.
www.atsdr.cdc.gov /MHMI/mmg137.html   (4339 words)

  
  Oxide - Wikipedia, the free encyclopedia
Oxides are characterized by a redistribution of electrons, in which the oxygen atoms have a net surplus of electrons and the other atoms a net lack.
Oxide salts are generally insoluble in water, though some react with it.
The oxides of the chemical elements in their highest oxidation state are predictable and the chemical formula can be derived from the number of valence electrons for that element.
en.wikipedia.org /wiki/Oxide   (483 words)

  
 Oxide
An oxide is a chemical compound of oxygen with other chemical elements, e.g.
Oxides are extremely common in Earth's crust, and indeed in solid matter throughout the universe.
Oxides are usually created through the process of oxidation.
www.brainyencyclopedia.com /encyclopedia/o/ox/oxide.html   (119 words)

  
 Nitrous Oxide Encyclopedia, Definition, History, Biography @ ENCYCLOPEDIA.LOCALCOLORART.COM   (Site not responding. Last check: )
Inhalation of nitrous oxide directly from a whipped cream charger or a tank poses serious health risks, as it can cause the lungs to collapse from high levels of pressure, forcing air into the chest cavity, and can cause frostbite since the gas is very cold when released.
This is unlikely, as auto-grade nitrous oxide is mixed with hydrogen sulfide and would cause significant deleterious effects if inhaled — such arrests are made out of ignorance of the specifics of 'inhalable' nitrous oxide, or as a ploy to rid the public streets of potential illegal street racing via the misapplication of existing laws.
CAHILL, F.J., ELLENBERGER, E.A., MUELLER, J.L., TSENG, L.F. and QUOCK, R.M. Antagonism of nitrous oxide antinociception in mice by intrathecally administered antisera to endogenous opioid peptides.
encyclopedia.localcolorart.com /encyclopedia/Nitrous_oxide   (2669 words)

  
 OXIDE - LoveToKnow Article on OXIDE   (Site not responding. Last check: )
In general, oxides are the most important compounds with which the chemist has to deal, a study of their composition and properties permitting a valuable comparative investigation of the elements.
Some basic oxides yield hydrogen peroxide with acids, others yield oxygen (these also liberate chlorine from hydrochloric acid), and may combine with lower acidic oxides to form salts of the normal basic oxide with the higher acidic oxide.
Mixed anhydrides are oxides, which yield with water two acids, or are salts composed of a basic and acidic oxide of the same metal.
29.1911encyclopedia.org /O/OX/OXIDE.htm   (740 words)

  
 Oxide Pang Chun
Oxide Pang started his career in Hong Kong, where he worked as colourist...
Pang Brothers / The Pang Brothers / Oxide Pang
Oxide Pang movie- why isn't it on his bio?
www.imdb.com /name/nm0161152   (432 words)

  
 US EPA - Nitrous Oxide
Nitrous oxide is about 310 times more effective in trapping heat in the atmosphere than CO over a 100-year period.
Nitrous oxide is also emitted naturally from a wide variety of biological sources.
Nitrous Oxide is one of several non-CO gases that contribute to global climate change.
www.epa.gov /nitrousoxide/index.html   (161 words)

  
 Nitrous Oxide Emissions
Nitrous oxide emissions from mobile source combustion in 2003 were 178 thousand metric tons or 52.7 million metric tons carbon dioxide equivalent, an increase of 1 thousand metric tons nitrous oxide or 0.4 million metric tons carbon dioxide equivalent (0.7 percent) from 2002 levels (Table 25).
Nitrous oxide emissions from animal waste are dominated by emissions from cattle waste, which in 2003 accounted for 92.7 percent of emissions from the solid waste of domesticated animals.
In 2003, nitrous oxide emissions from wastewater were 19 thousand metric tons (or 5.8 million metric tons carbon dioxide equivalent), a 0.8-percent increase from 2002 levels and a 24.7-percent increase from the 1990 level (Table 24).
www.eia.doe.gov /oiaf/1605/ggrpt/nitrous.html   (2798 words)

  
 oxide. The Columbia Encyclopedia, Sixth Edition. 2001-05
Oxides are usually named according to the number of oxygen atoms present in a molecule, e.g., monoxide (or simply oxide), dioxide, trioxide.
Oxides are commonly classified as acidic or basic oxides or anhydrides.
Some metal oxides do not react with water but are basic in that they react with an acid to form a salt and water.
www.bartleby.com /65/ox/oxide.html   (329 words)

  
 Nitrogen Oxide Encyclopedia, Definition, History, Biography @ CREATEDBYGOD.COM   (Site not responding. Last check: )
A mixture is often formed in chemical reactions that produce nitrogen oxides, with the proportions depending on the specific reaction and the conditions it is performed in.
With this burns, combustion temperatures reach a high enough level to actually burn some of the nitrogen in the air, yielding various oxides of nitrogen, the results of which can be seen over major cities such as Los Angeles, California in the summer in the form of brown clouds of smog.
The term Nox is also sometimes used to refer to Nitrous Oxide in the context of its use as a booster for internal combustion engines.
www.createdbygod.com /encyclopedia/Nitrogen_oxide   (873 words)

  
 Ethylene Oxide (Cicads 54, 2003)
Based on a survey of hospitals using ethylene oxide as a sterilizing agent, conducted in April 1994, the amount of ethylene oxide used as a sterilant was estimated to be 40 tonnes/year.
Since ethylene oxide is formed during the metabolism of ethylene, a natural body constituent, endogenous as well as exogenous sources of ethylene and ethylene oxide contribute to background alkylation of proteins such as haemoglobin and albumin, as well as DNA (Bolt, 1996).
In vivo exposure to ethylene oxide induced gene mutation at the hypoxanthine phosphoribosyl transferase (Hprt) locus in mouse and rat splenic T-lymphocytes; sister chromatid exchange was induced in lymphocytes from rabbit, rat, and monkey, in bone marrow cells from mouse and rat, and in rat spleen.
www.inchem.org /documents/cicads/cicads/cicad54.htm   (13533 words)

  
 Emissions of Greenhouse Gases in the United States 1998 - 4. Nitrous Oxide Emissions   (Site not responding. Last check: )
Emissions of nitrous oxide from mobile combustion stabilized from 1995 through 1998, as growth in the light-duty truck fleet slowed and the next generation of lower-emitting catalytic converters was introduced.
The second-largest source of anthropogenic nitrous oxide emissions is energy consumption, which includes mobile source combustion from passenger cars, buses, motorcycles, and trucks and stationary source combustion from commercial, residential, industrial, and electric utility energy use.
Nitrous oxide emissions from animal waste are dominated by emissions from cattle waste, which account for 94 percent of emissions from the solid waste of domesticated animals.
www.eia.doe.gov /oiaf/1605/gg99rpt/nitrous.html   (2806 words)

  
 Nitrous oxide for pain relief in labour   (Site not responding. Last check: )
The dosage is fixed (a 50:50 mixture of Nitrous Oxide and oxygen is in the cylinder - this known as Entonox).
Nitrous Oxide is able to be eliminated quickly from the woman’s body entirely by her lungs.
Nitrous Oxide does not interfere with contractions, the time Nitrous Oxide remains effective is short and there are no obvious short term effects on mother and baby that have been noted to date.
www.pregnancy.com.au /nitrous_oxide.htm   (832 words)

  
 Oxide Encyclopedia, Definition, History, Biography @ DIRTYART.COM   (Site not responding. Last check: )
Creamright Nitrous Oxide Whip Cream Chargers and Dispensers - Nitrous oxide whip cream chargers and whipped cream dispensers.
For example, sodium oxide is basic; when hydrated, it forms a fat man sodium hydroxide.
Oxide is one half of the rap duo Oxide and Neutrino
www.dirtyart.com /encyclopedia/Oxide   (542 words)

  
 Zinc Oxide
Zinc oxide is an odorless, amorphous, white or yellowish-white powder.
Determination of a worker's exposure to airborne zinc oxide is made using a tared low ash polyvinyl chloride filter (5 microns) preceded for respirable fraction sampling by a 10 mm nylon cyclone.
Clothing contaminated with zinc oxide should be removed immediately, and provisions should be made for the safe removal of the chemical from the clothing.
www.osha.gov /SLTC/healthguidelines/zincoxide/recognition.html   (2795 words)

  
 Ethylene Oxide - NSC   (Site not responding. Last check: )
Ethylene oxide is an odorless gas at room temperature and normal pressure, but is a liquid with an ether-like odor at 10.4 degrees C at higher pressure.
Synonyms for ethylene oxide are dihydrooxirene; dimethylene oxide; epoxyethane; 1,2-epoxyethane; ethene oxide; etO; oxacyclopropane; oxane; oxidoethane; amprolene; anproline; and oxirane.
Ethylene oxide is classified by the Occupational Safety and Health Administration (OSHA) as an occupational carcinogen and as a "de minimis" carcinogen, meaning that the minimum amount of the chemical set by OSHA is considered to be carcinogenic.
www.nsc.org /library/chemical/Ethylen0.htm   (1159 words)

  
 What Is Nitrous Oxide Abuse   (Site not responding. Last check: )
Nitrous oxide blended with oxygen, also called "laughing gas" is most commonly used as an anesthetic in doctors’, dentists’ and veterinarians’ offices.
Nitrous oxide can be used as a combustion catalyst in auto racing, as an oxidizer in semiconductor manufacturing, in the production of air bags, and as a food processing propellant.
As the nitrous oxide is inhaled, it replaces the oxygen in the user’s lungs.
www.azprevention.org /In_The_News/Newsletters/newsletter_article_2.htm   (373 words)

  
 Hydrated Chromium Oxide   (Site not responding. Last check: )
Chromium oxide is a dull, opaque, olive-green color, identified by the chemical formula Cr Hydrated chromium oxide is an intense, transparent, bluish-green color identified by the formula Cr Since its introduction chromium oxide has been known by such names as chrome oxide, oxide of chromium, and green oxide of chromium opaque.
As early as 1809 chromium oxide was being used as an enamel in porcelain factories, but it was not yet used as a painting pigment.
Chromium oxide is actually used in camouflaging since its infrared energy reflectance is closer to the level of chlorophyll in plants, compared to other common green pigments.
www.sewanee.edu /chem/Chem&Art/Detail_Pages/Pigments/Chromium_Oxide   (1741 words)

  
 Role of Nitric Oxide in Hematosuppression and Benzene-induced Toxicity
Nitric oxide is an important cytotoxic effector molecule synthesized by activated macrophages against intracellular pathogens (19).
Nitric oxide, quantified by the accumulation of nitrite in the culture medium, was measured by a microplate assay based on the Griess reaction with sodium nitrite as the standard (22,27).
The precise role of nitric oxide in benzene-induced bone marrow toxicity remains to be elucidated.
ehp.niehs.nih.gov /docs/1996/Suppl-6/laskin.html   (3880 words)

  
 calcium oxide on Encyclopedia.com
Calcium oxide is widely used in industry, e.g., in making porcelain and glass; in purifying sugar; in preparing bleaching powder, calcium carbide, and calcium cyanamide; in water softeners; and in mortars and cements.
Calcium oxide is a basic anhydride, reacting with water to form calcium hydroxide ; during the reaction (slaking) much heat is given off and the solid nearly doubles its volume.
Hemodynamic response to sildenafil, nitric oxide, and iloprost in primary pulmonary hypertension *.
www.encyclopedia.com /html/c1/calciumo.asp   (418 words)

  
 Tin Oxide   (Site not responding. Last check: )
Clothing contaminated with tin oxide should be removed immediately, and provisions should be made for the safe removal of the chemical from the clothing.
Tin oxide should be stored in a cool, dry, well-ventilated area in tightly sealed containers that are labeled in accordance with OSHA's Hazard Communication Standard [29 CFR 1910.1200].
Tin oxide is not subject to EPA emergency planning requirements under the Superfund Amendments and Reauthorization Act (SARA) (Title III) in 42 USC 11022.
www.osha-slc.gov /SLTC/healthguidelines/tinoxide/recognition.html   (2377 words)

  
 MedlinePlus Drug Information: Magnesium Oxide
Magnesium oxide also may be used as a laxative for short-term, rapid emptying of the bowel (before surgery, for example).
Magnesium oxide also is used as a dietary supplement when the amount of magnesium in the diet is not enough.
If you are using magnesium oxide as a laxative, take it with a full glass (8 ounces) of cold water or fruit juice.
www.nlm.nih.gov /medlineplus/druginfo/medmaster/a601074.html   (703 words)

  
 Martin Marietta - Leading Supplier of  Magnesium Oxide and Magnesium Hydroxide Products
The majority of magnesium oxide produced today is obtained from the processing of naturally occurring minerals such as magnesite (magnesium carbonate), magnesium chloride rich brine, and seawater.
Three basic types or grades of "burned" magnesium oxide can be obtained from the calcination step with the differences between each grade related to the degree of reactivity remaining after being exposed to a range of extremely high temperatures.
Using relatively simple chemistry it is also possible to add certain ingredients to magnesium oxide to generate a broad range of new magnesium based compounds.
www.magspecialties.com /students.htm   (1303 words)

  
 Nitrous Oxide
Davy even noted the anaesthetic effects of the gas: "As nitrous oxide in its extensive operation appears capable of destroying physical pain, it may probably be used with advantage during surgical operations in which no great effusion of blood takes place".
Nitrous oxide found a more scientific use as an anesthetic in clinical dentistry and medicine in the early 1840s.
O is occasionally injected into the fuel lines of racing cars to give more power to the engine and to give the car exceptional acceleration.
www.chm.bris.ac.uk /motm/n2o/n2oh.htm   (886 words)

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