Executive standard is enterprise standard

Standard: (Refined)

Molecular Formula: CaCO₃
Molecular Weight: 100.09
Content: Not less than 98   
Insoluble Matter in Hydrochloric Acid : 0.05  
Chloride (Cl) : 0.05  
Sulfate (SO₄) : 0.1   
Iron (Fe): 0.01
Heavy Metal ( in Pb ): 0.01

Packing: 25KG woven bag