ITEM STANDARD
Purity % 75%min
Sulfates (ppm) 30max
Fluorine (ppm) 5max
Chlorides (ppm) 5max
Arsenic (ppm) 0.5max
Iron (ppm) 20max
Lead (ppm) 3max
Phosphorous Acid % 0.015max
Heavy metals (as Pb) 10max