usage :refining sweet Levin, Preparation of barium peroxide and barium salts, as well as a dehydrating agent.

Test Items	Analytically pure
Content	85.0
HCl insoluble	≤ 0.5%
Chloride(Cl)	≤ 0.01%
Nitrogen compound(N)	0.002%
Fe	0.01%
Alkali metal and calcium(sulfate)	0.5%

Barium oxide