Standard:
Item Index Result
Content % min 98 98.2
Reducing matter % max 2.5 2.4
Chloride % max 0.07 0.065
Sulfate % max 0.05 0.045
Heavy Metal max 20ppm 19ppm
Arsenic salts max 3ppm 2.7ppm
Lead max 10ppm 9.8ppm
Loss on drying % max 2 1.98