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Suqian Hairun Trading Co., Ltd.
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Magnesium carbonate heavy

Suqian Hairun Trading Co., Ltd.
Suqian Hairun Trading Co., Ltd.
City: Suqian
Province/State: Jiangsu
Country/Region: China
Tel: 86-527-88888009
Contact Person:
Ms lisa lee

Magnesium carbonate heavy

Brand Name : hairun
Model Number : hairun303
Place of Origin : china
MOQ : 1000kg
Packaging Details : bags
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For use in the manufacture of antacid preparation and mineral supplements,

and in cosmetics . Complied with the requirements of U.S. Pharmacopoeia

(35th Edition) for Basic Magnesium Carbonate.

Chemical Analysis Specification Typical Value

Magnesium Oxide as MgO 40.0-43.5% 42.5%

Identification Positive test for Magnesium

Soluble Salts 1.00% max 0.03%

Acid-Insoluble Substances 0.05% max 0.02%

Arsenic as As 4 ppm max < 1 ppm

Calcium as Ca 0.45% max 0.10%

Heavy Metals as Pb 30 ppm max << 20 ppm

Iron as Fe 200 ppm max 50 ppm

Microbial Tests Absence of E-Coli absent

Lead as Pb 2 ppm max << 0.3 ppm

Physical Properties Specification Typical Value

Tapped Density (1000 taps) 0.35-0.55 g/cc

0.30% max 0.10%

Particle size:

Residue on 325 mesh (wet sieve)

Appearance and description: Free flowing white powder, insoluble in water and alcohol .

Dissolves in dilute mineral acids with effervescence (Caution!).

Composition: 5MgO. 4CO2.5H2O

Packaging and storage: Net 15 kg in multiwall paper bags with separately sealed moisture proof inner

polyethylene bag or big bags.

Store in original packaging in a dry, ventilated space.

Shelf-life under suitable storage conditions: 3 years from date of manufacture.

Custom-tailored specifications and other packaging modes are available.

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