| ≥1 piece |
|
CalCium Carbonate
|
> 98.50%
|
|
Acid insolubles
|
< 0.15%
|
|
Arsenic
|
< 0.3ppm
|
|
Barium
|
Negative
|
|
Fluoride
|
< 0.004%
|
|
Heavy metals (as Pb)
|
< 0.002%
|
|
Lead
|
< 0.20ppm
|
|
Magnesium and Alkali Salts
|
< 0.50%
|
|
Iron
|
< 0.05%
|
|
mercury
|
< 0.1ppm
|
|
Loss on Drying (200 )
|
< 0.50%
|