| chromium |
In chemistry, chromic acid (or 'Jones reagent') is a chromium (Cr) compound, yet to be isolated, that would have the formula H2CrO4. There is a related acid, also yet to be isolated called dichromic acid with the formula H2Cr2O7. While these acids are not available, they are known through their divalent anions (chromate and dichromate respectively) and the compounds formed from them. ...
출처: en.wikipedia.org/wiki/Chromium(VI)_oxide
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| chromium |
A heavy metal that is an important hazardous air pollutant. (See
출처: www.epa.gov/envirohealth/children/background/gloss...
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| chromium |
(KROH-mee-yum) ?A kind of metal that comes in different forms and is found in rocks and soil. Some forms are also produced during industrial processes. Chromium is also one of the chemicals found in cigarette smoke.
출처: www.cdc.gov/cancer/lung/glossary.htm
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| chromium |
atomic symbol, Cr, chromium is the 24th element in the periodic table (atomic number 24) with an atomic weight of 52.00. A group VI metal, chromium has seen some use as a barrier metal in backside metal and under solder bumps. IBM in particular has made a large number of solder bumps with chromium barrier metal.
출처: www.icknowledge.com/glossary/c.html
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| chromium |
CAS Number: 16065-83-1. A steel-gray solid with a high melting point. It is used in the production of steel and other metal alloys. It is a naturally occurring element in rocks, soils, animals and plants. Chemical formula = Cr. Molecular weight = 51.996 g/mol. Learn More...
출처: www.pca.state.mn.us/gloss/glossary.cfm
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