Tuesday, December 31, 2013


chrominimum Chromium Chromium is a metal found in natural deposits as ores containing other elements. Chromium is a steel-gray, big(a) metal that is very brittle. It is classified as a menacing metal. After its refined from the ore chromite its compounds are utilize in strike tanning and manufacturing of chromic acid, pigments, and corrosion-resistant chrome products. The greatest use of chromium is in metal alloys such as magnetic tapes, paint pigments, cement, paper, and unmutilated steel. It is also use as an ingrediant in drilling mud, which is used to drill oil wells.
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Humans do need a certain amount of trivalent chromium to maintain clean health. Although, in other forms, chromium can be cyanogenetic for humans. Workers in chromium products facilities have increased risks of cancer of the lungs and nose. In 1974, Congess passes the Safe Drinking Water Act. This act required EPA to specify safe levels of chemica...If you want to get a full essay, defer it on our website: OrderCustomPaper.com

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