Product Name: Pharmaceutical Grade Magnesium Carbonate
English name: Magnesium carbonate, basic; Magnesium carbonate, light
Molecular Formula: 3MgCO3• Mg(OH) 2• 3H2O
Molecular weight: 365.31
Uses: Magnesium carbonate is used as an antacid in medicine. Can also be desiccant, color protector, carrier, anti-caking agent, also used for hyperacidity, stomach and duodenal ulcers.
Preparation methods: brine, limestone carbonation, soda ash, ammonium bicarbonate
index:
ITEMS |
USP-25 |
company standard |
|
MgO ≥% |
40.0-43.5 |
40.0 |
|
CaO ≤% |
0.6 |
0.6 |
|
Ca ≤% |
0.45 |
0.45 |
|
Fe ≤% |
0.02 |
0.02 |
|
Insolube in HCl≤% |
0.05 |
0.1 |
|
Heavy Meta l ≤% |
20ppm |
30ppm |
|
soluble salt≤% |
1.0 |
1.0 |
|
As ≤% |
3ppm |
3ppm |
|
Pb ≤% |
2ppm |
2ppm |
|
total bacterial count |
pass |
pass |
|
bulk density g/ml |
heavy ≥% |
- |
0.45 |
light ≤% |
- |
0.35 |
|
Packaging: Plastic woven bag lined with polyethylene plastic bag.
Shipping volume (20- FT ): 9 tons of lightweight and 20 tons of heavy material.
Customs code: 2836991000
Monthly production: 250 tons