| arsenic trioxide |
CAS Number: 1327-53-3. A white or transparent solid in the form of glassy, shapeless lumps, or a crystalline powder that resembles sugar. It has no odor or taste. It is produced from by-products of copper smeltin. It is then used in the manufactore of other arsenic compounds which are used as wood preservatives, insecticides and herbicides. It is also used in metallurgical process and in the manufacture of glass and ceramics. Chemical formula = As2O3. Molecular weight = 197.84 g/mol.
출처: www.pca.state.mn.us/gloss/glossary.cfm
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| arsine |
CAS Number: 7784-42-1. A colorless, flammable, extremely poisonous gas with an odor like garlic. Chemical formula = AsH3. Molecular weight = 77.95 g/mol. Learn More...
출처: www.pca.state.mn.us/gloss/glossary.cfm
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| arsenic |
Year discovered: 1250 Atomic No.: 33 Symbol: As Atomic weight: 74.9216 Melting point: 817?C (28 atmospheres) The silver-gray metalloid is rarely found in nature in its elemental form and is basically recovered as a byproduct of processing ores. While knowledge of arsenic dates back to ancient Greece, it wasn't until the Middle Ages that its poisonous characteristics were described. Metallic arsenic was first produced in the 17th century by heating arsenic with potash and soap. Art
출처: www.findhealer.com/glossary/A.php3
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| arsenic |
A gray, brittle and highly poisonous metal. It is used as an alloy for metals, especially lead and copper, and is used in insecticides and weed killers. In its inorganic form, it is listed as a cancer-causing chemical under Proposition 65.
출처: www.sbcfire.org/hazmat/env_terms.asp
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| arsenic |
is released naturally into the aquatic environment as a result of weathering of arsenic-containing rocks, from industrial and municipal discharges, and from combustion of fossil fuels.
출처: www3.gov.ab.ca/env/water/SWQ/faqs04.cfm
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