Commodity Code

arsenic

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

star this property definition Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals, and also as a pure elemental crystal. Arsenic is a metalloid. It can exist in various allotropes, although only the gray.form has important use in industry. more like this
star this property notation
02.02.02 more like this
As more like this
star this property source http://en.wikipedia.org/wiki/Arsenic more like this
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Resource
Concept
star this property broader metalloid
star this property narrower arsenic
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unstar this property is primary topic of arsenic& properties=isPrimaryTopicOf