Barium Oxide

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Barium oxide - Wikipedia, the free encyclopedia
Barium oxide is used as a coating for hot cathodes, and in cathode ray tubes. ... Barium oxide also is dangerous to the environment. ...
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Yttrium barium copper oxide - Wikipedia, the free encyclopedia
Yttrium barium copper oxide, often abbreviated YBCO, is a chemical compound with ... Yttrium Barium Copper Oxide Superconducting Powder Generation by An Aerosol ...
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Barium oxide: Definition from Answers.com
barium oxide ( ?bar??m ?äk?s?d ) ( inorganic chemistry ) BaO A white to yellow powder that melts at 1923°C; it forms the hydroxide with water; may be
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WebElements Periodic Table of the Elements | Barium | barium oxide
This WebElements periodic table page contains barium oxide for the element barium ... Barium oxide. Formula as often written: BaO. Hill system formula: Ba1O1 ...
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barium: Definition from Answers.com
barium n. ( Symbol Ba ) A soft, silvery-white alkaline-earth metal, used ... Barium oxide is used in a coating for the electrodes of fluorescent lamps, which ...
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American Elements: Barium Oxide Powder Supplier & Tech Info
Certified large volume to lab quantity Barium Oxide Powder manufacturer. ... We also produce Barium Oxide as pellets, pieces, tablets, and sputtering target. ...
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{{Chembox new| Name = Barium oxide| OtherNames = Barium monoxide; barium protoxide; calcined baryta| Section1 = {{Chembox Identifiers| CASNo = 1304-28-5 --> | Section2 = {{Chembox Properties| Formula = BaO| MolarMass = 153.3 g/mol| Appearance = white solid| Density = 5.7 g/cm³, solid| Solubility = 3.8 g/100 ml (20 °C)| MeltingPt = 1923 °C| BoilingPt = ~2000 °C --> | Section3 = {{Chembox Structure| Coordination = octahedron| CrystalStruct = cubic --> | Section7 = {{Chembox Hazards| EUClass = Harmful (Xn)| RPhrases = | SPhrases = , | FlashPt = non-flammable --> | Section8 = {{Chembox Related| OtherAnions = Barium hydroxide
Barium peroxide
[Strontium oxide --> -->

Barium oxide, BaO, is a white hygroscopic chemical compound formed by the burning of barium in oxygen, although it is often formed through the decomposition of other barium compounds. {{cite web | title = Compounds of barium:barium (II) oxide | work = Web Elements | publisher = The University of Sheffield | date = 2007-01-26 | url = http://www.webelements.com/webelements/compounds/text/Ba/Ba1O1-1304285.html | accessdate = 2007-02-22 -->

2Ba + O2 → 2BaO BaCO3 → BaO + CO2

It transforms into barium hydroxide on contact with water.

BaO + H2O → Ba(OH)2

Uses Barium oxide is used as a coating for hot cathodes, and in cathode ray tubes. It is used in the production of certain kinds of glass such as optical crown glass (optics). It replaced lead oxide. Lead oxide was used to raise the refractive index, but it also raised the dispersive power. Barium oxide only raises the refractive index. Barium oxide also has use as an Ethoxylation in the reaction of ethylene oxide and alcohols, which takes place 150 and 200°C.

Safety issues Barium oxide is an irritant. If it contacts the skin or the eyes or is inhaled it causes pain and redness. However, it is more dangerous when ingested. It can cause nausea and diarrhea, paralysis, cardiac arrhythmia, and can cause death. If ingested, medical attention should be sought immediately.Barium oxide also is dangerous to the environment. It is harmful especially to Marine biology

References

External links

International Chemical Safety Card 0778

Barium oxide - Wikipedia, the free encyclopedia
Barium oxide, BaO, is a white hygroscopic compound formed by the burning of barium in oxygen, although it is often formed through the decomposition of other barium salts. [1]

e-Prints Soton - A chemical model for barium oxide depletion from ...
In this paper a chemical model to predict barium oxide depletion from hollow cathode insert is developed. This model is based on the knowledge of the ternary diagram that exists in ...

Definition: barium oxide from Online Medical Dictionary
The Online Medical Dictionary is a searchable dictionary of definitions from medicine, science and technology.

BARIUM OXIDE (ICSC)
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING FIRE Not combustible. In case of fire in the surroundings:

Barium - Wikipedia, the free encyclopedia
Barium (pronounced /ˈbɛəriəm/) is a chemical element. It has the symbol Ba, and atomic number 56. Barium is a soft silvery metallic alkaline earth metal.

A Chemical Model for Barium Oxide Depletion from Hollow Cathode's ...
AI AA-2007-5193 American Institute of Aeronautics and Astronautics 1 A Chemical Model for Barium Oxide Depletion from Hollow Cathode's Insert M. Coletti * and S.

MATERIAL SAFETY DATA SHEET
Barium Oxide 2-VI REACTIVITY DATA Stability : Stable Incompatibility (Material to Avoid) : Water, steam, exposure to air, flame, hot surfaces.

Safety (MSDS) data for barium oxide
Safety data for barium oxide ... Glossary of terms on this data sheet. The information on this web page is provided to help you to work safely, but it is intended to be an overview ...

barium oxide - definition of barium oxide by the Free Online ...
Thesaurus Legend: Synonyms Related Words Antonyms. Noun: 1. barium oxide - an oxide of barium; a whitish toxic powder. barium monoxide, barium protoxide

Definition: barium enema from Online Medical Dictionary
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