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Chemicals

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 POWDER GRANULAR
Assay as MgO (Ignited basis)(%) 98.0 98.0 98.7 98.7
Loss on ignition(%) 0.2 0.3 0.4 1.6
Soluble salts(EP:Soluble substances)(%) 1.1 1.0 1.0 0.5
Acid insoluble substances(%) 0.01 0.01 - -
Acetic acid insoluble substances(%) - - 0.02 0.03
Iron(%) 0.02 0.02 0.01 passes test (<0.07)
Calcium(%) 0.5 0.5 0.3 passes test (<1.5)
Free alkali(-) passes test passes test  - -
Sulfates(%) - - 0.7 passes test (<1.0)
Chlorides(%) - - 0.05 passes test (<0.1)
Bulk density(loose)(g/ml) 0.33 1 0.35 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(ppm) - passes test (<700)
Arsenic(ppm) 0.3 passes test (<2)
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
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