Zinc oxide

Essay specific features

 

Issue:

Science

 

Written by:

Jerald H

 

Date added:

December 28, 2010

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 361

 

Was viewed:

4185 times

 

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Essay content:

Because it reflects both UVA and UVB rays of ultraviolet light, zinc oxide can be used in ointments, creams, and lotions to protect against sunburn and other damage to the skin caused by ultraviolet light (see sunscreen). Zinc oxide and stearic acid are important ingredients in the commercial manufacture of rubber goods...
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A proper mixture of these two compounds allows a quicker and more controllable rubber cure. Zinc oxide can also be used as a filler in some rubber mixtures. Zinc oxide is a semiconductor with a direct band gap of 3.2 eV (387 nm, deep violet/borderline UV). A common application is in gas sensors. As of 2003, it has been utilized in recent research to build blue LEDs and transparent TFTs...
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