Commodity Code

tantalum pentoxide

http://resource.geosciml.org/classifier/cgi/commodity-code/tantalum-pentoxide

definition An oxide of tantalum also known as tantalum(V) oxide, a white, inert solid with a high refractive index and low absorption (i.e. colourless), useful for coatings, and used in the production of capacitors, due to its high dielectric constant. more like this
notation
02.04.05.09 more like this
Ta2O5 more like this
source http://en.wikipedia.org/wiki/Tantalum_pentoxide more like this
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Concept
broader chemical oxide product
narrower tantalum pentoxide
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