Barium Sulfate 97% AR 500g CAS 7727-43-7
14601-500g

Specification : 

Assay .................97% min
L.O.I (600degC)...2.0%  max
As.......................0.0001% max
H.M (as Pb).........0.001% max
Phosphate...........0.001% max
Acid-soluble ........0.002% max
substancesCl ......0.001% max

Formula..... BaSO4
MWT...........223.40
CAS......7727-43-7