Chemicals
Pharmaceutical products
Pharmaceutical products (MAGNESIUM OXIDE, MAGNESIUM CARBONATE, MAGNESIUM HYDROXIDE)
These products are produced from seawater and limestone, under our strict quality control and GMP control.
They can be safely used for pharmaceuticals, antacids and laxatives.
MAGNESIUM OXIDE
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Typical data
|
USP |
EP |
POWDER |
GRANULAR |
GRANULAR |
Assay as MgO (Ignited basis)(%) |
98.0 |
98.0 |
98.7 |
Loss on ignition(%) |
0.2 |
0.3 |
1.6 |
Soluble salts(EP:Soluble substances)(%) |
1.1 |
1.0 |
0.5 |
Acid insoluble substances(%) |
0.01 |
0.01 |
- |
Acetic acid insoluble substances(%) |
- |
- |
0.03 |
Iron(%) |
0.02 |
0.02 |
passes test (<0.07) |
Calcium(%) |
0.5 |
0.5 |
passes test (<1.5) |
Free alkali(-) |
passes test |
passes test |
- |
Sulfates(%) |
- |
- |
passes test (<1.0) |
Chlorides(%) |
- |
- |
passes test (<0.1) |
Bulk density(loose)(g/ml) |
0.33 |
1 |
1 |
MAGNESIUM CARBONATE HEAVY
Typical data
|
USP |
EP |
POWDER |
POWDER |
Assay as MgO(%) |
42.0 |
41.7 |
Soluble salts(EP:Soluble substances)(%) |
0.4 |
0.8 |
Acid insoluble substances(%) |
0.01 |
- |
Acetic acid insoluble substances(%) |
- |
0.01 |
Iron(%) |
0.007 |
passes test (<400ppm) |
Calcium(%) |
0.2 |
passes test (<0.75) |
Sulfates(%) |
- |
passes test (<0.6) |
Chlorides(%) |
- |
passes test (<0.07) |
Arsenic(ppm) |
0.3 |
- |
Bulk density(loose)(g/ml) |
0.30 |
0.32 |
MAGNESIUM HYDROXIDE
Typical data
|
USP |
POWDER |
Assay as Mg(OH)2 (dry basis)(%) |
96.5 |
Loss on ignition(%) |
31.5 |
Soluble salts(mg) |
5 |
Calcium(%) |
0.3 |
Free alkali(-) |
passes test |
Bulk density(loose)(g/ml) |
0.32 |
Loss on drying(%) |
0.6 |