Commodity Code

barium

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

definition Barium is a chemical element with symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal. Because of its high chemical reactivity barium is never found in nature as a free element. Its hydroxide was known in pre-modern history as baryta; this substance does not occur as a mineral, but can be prepared by heating barium carbonate. more like this
notation
02.01.07 more like this
Ba more like this
source http://en.wikipedia.org/wiki/Barium more like this
type
Resource
Concept
broader metal
narrower barium
in scheme commodity code
is primary topic of barium