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Tetraethyl lead and MTBE - http://www.chm.bris.ac.uk/motm/leadtet/leadh.htm
Structure and importance as an additive to petroleum. |
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Bioinorganic Gallery - http://www.chem.ox.ac.uk/proteins/Default.html
Hyperactive Bioinorganic Proteins. A Chemical MIME and Picture Gallery. |
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Amethyst - http://www.3dchem.com/molecules.asp?ID=184
Amethyst is a variety of quartz with purple coloration which is caused by impurities of iron or manganese. |
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http://salt.org.il/frame_intro.html - http://salt.org.il/frame_intro.html
Physiology, geology, economics, religion, production, etymology and anything else you might want to know about sodium chloride. |
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http://www.bris.ac.uk/Depts/Chemistry/MOTM/water/water.htm - http://www.bris.ac.uk/Depts/Chemistry/MOTM/water/water.htm
Importance and biophysical properties of water. |