NILE CHEMICALS

CALCIUM CARBONATE

 

CALCIUM CARBONATE EXTRA PURE
CaCO3   M.W.   100.09  
Assay ( chelatometric ) 98.5-100.5%
Maximum Limits of impurities :  
Substances insoluble in acetic acid  0.2%
Substances insoluble in HCI  0.2%
Chloride ( CI ) 0.025%
Sulphate ( SO4 ) 0.25%
Fluoride ( F ) 0.005%
Heavy Metals ( as Pb ) 0.002%
Lead ( Pb ) 0.001%
Copper ( Cu ) 0.001%
Zinc ( Zn ) 0.001%
Iron ( Fe ) 0.02%
Barium ( Ba ) passes test
Arsenic ( As ) 0.0003%
Magnesium alkali metals  1.0%
Loss on drying ( 200OC, 4 hours ) 2%

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