Foshan Shiquan Chemical Co., Ltd.

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Light magnesium carbonate series

Molecular formula: 3MgCO3· Mg(OH)2· 3H2O
Molecular weight: 365.31
Properties: White monoclinic crystal or amorphous powder. Relative density: 2.16. .
Use: This product can be used in fine chemical, pharmaceutical, food and others, and widely used in dope, paint, daily cosmetics, ship making and boiler manufacture. .

Index name

Fluorescent level

Reagent level

Pharmaceutical

Food

Industrial excellent grade

Industrial first grade

Qualified

Magnesium oxide    ≥%

42-43

42-43

40- 43.5

40

41

40

38

Calcium oxide   ≤%

-----

-----

0.6

0.6

0.43

0.7

1.0

Moisture      ≤%

-----

-----

-----

-----

2.0

3.0

4.0

Loss on ignition    ≤%

-----

-----

-----

-----

54- 58

54- 58

≥52

Chloride    ≤%

0.01

0.01

0.035

0.035

0.1

0.15

0.3

Iron        ≤%

0.0015

-----

0.02

-----

0.02

0.05

0.08

Potassium K      ≤%

0.005

0.005

-----

-----

-----

-----

-----

Natrium Na     ≤%

0.05

0.05

-----

-----

-----

-----

-----

Calcium Ca      ≤%

0.05

0.05

0.45

-----

-----

-----

-----

Barium Ba      ≤%

0.0015

0.0015

-----

-----

-----

-----

-----

Manganese Mn      ≤%

0.0015

0.0015

-----

-----

-----

0.004

-----

Arsenic As      ≤%

0.0001

0.0001

0.0003

 

0.004

-----

-----

Heavy metal    ≤%

0.0020

0.0020

0.0030

0.003

----

----

----

Plumbum        ≤%

-----

-----

0.0002

0.001

-----

-----

-----

Iron salts      ≤%

-----

-----

0.02

0.02

0.02

0.05

0.08

Sulfate    ≤%

0.015

0.015

0.5

0.5

0.1

0.15

0.3

Hydrochloric acid insoluble ≤%

0.015

0.015

0.1

0.05

0.1

0.15

0.2

Soluble salt ≤%

-----

-----

1.0

1.0

----

----

----

Mesh sieve residue ≤%

150um

-----

-----

----

-----

0.025

0.03

0.05

75um

-----

-----

-----

-----

1.0

-----

-----

Arsenic salt           %

-----

-----

0.0002

----

----

----

----

Total bacterial count

-----

-----

passed

-----

-----

-----

-----

Apparent densityg/ ml  ≤%

0.1-0.5

0.1-0.5

0.35

0.3

0.12

0.14

----

Packing:20KG/weaving bag lined with plastic

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