e/Total boron

Information
has gloss	eng: The total boron (BT) is the sum of boron species in a solution. In the environment these species usually include boric acid and borate, for example:
lexicalization	eng: total boron
instance of	(noun) a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder boron, atomic number 5, B