Barium Sulfate, Dense White Powder

Appearance:White Powder 
Identification: passes test 
pH: < 3 ppm3 ppm max.
Arsenic: < 10 ppm10 ppm max.
Heavy Metals(as Pb): < 10 ppm10 ppm max.
Sulfide: < 2 ppm2 ppm max.
Acid soluble barium salt: < 0.001%0.3% max.
Particle size: 0.7 Micron 
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