Wednesday, September 12, 2012

42* empty head

    all I feel is the emptiness in my head; I wonder when the words will come back...

Element of the day (day 42)
#38) Sr-Strontium -] metal 
Beneficial to full health, or thought to be  in plants and animals.
Discovered in 1790 Adair Crawford, Scotland. 
A relatively soft, silvery-yellow metal. A chemically active metal, reacting with both air and water. Used in the glass for color television tubes and in fireworks and other pyrotechnics, where it imparts a red color. Strontium titanate is used in optical materials, as it has a very high reactive index and optical dispersion.

Strontium obtained from strontianite (strontium carbonate))) and celestite (strontium sulfate) and is mined in Mexico, Turkey, Iran, Spain and Algeria.

 

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