Calcium Carbonate Food Grade
IdentificationPositive for calcium
Assay, percent CaCO3Not less than 98.0
Not more than 100.5
Acid Insoluble Substances, percentNot more than 2.5
Arsenic (as As), mg/kgNot more than 3
Fluoride, percentNot more than 0.005
Heavy Metals (as Pb), percentNot more than 0.002
Lead, mg/kgNot more than 3
Loss on Drying, percentNot more than 2.0
Magnesium and Alkali Salts, percentNot more than 3.5
Mercury, mg/kgNot more than 0.5
Median Diameter, microns15
