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biological shell powder
biological shell powder
Item |
Unit |
Specification |
CaCO3 |
% |
99 |
PH |
- |
8.9 |
Loss on drying |
% |
0.3 |
Acid-insoluble substances |
% |
0.2 |
Barium |
% |
0.03 |
Lead |
ppm |
3 |
Arsenic |
mg/kg |
3 |
Heavy metals |
mg/kg |
10 |
Iron |
% |
0.1 |
Limit of fluoride |
% |
0.005 |
mercury |
ppm |
0.5 |
Magnesium and alkali salts |
% |
1.0 |
180m through % |
- |
99.4 |
CAS No.: 471-34-1 | Other Names: biological calcium carbonate | Place of Origin: Shandong China (Mainland) |
Type: Other | white: white |