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Magnesium Carbonate

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Molecular Fomula: MgCO3
Molecular Weight:84.3139
CAS No.:13717-00-5

No.

Item

Standard

Index

1

Main Content

40.0-43.5%

  42.3%

2

Appearance

White Powder

White Powder

3

Loss On Ignition

54.0-58.0%

56.8%

4

Loss On Drying

Heavy

Light

Heavy

Light

3.0%max

2.0%max

1.37%

1.6%

4

Acid-Insoluble Substance

0.05%max

0.025%

5

Soluble Salt

1.0%max

0.40%

6

Free Alkali

2.0ml max

1.0ml

7

CaO

0.60% max

0.20%

8

Heavy Metal

20ppm max

<20ppm

9

Pb

2.0ppm max

1.0ppm

10

Fe

0.02%max

0.003%

11

As

3.0ppm max

1.0ppm

12

Bulk Density

 

Heavy

Light

0.50g/ml

0.28g/ml

 

Physical properties:
There are heavy quality and light points, non-toxic and tasteless, stable in the air.Slightly soluble in water, the aqueous solution is slightly alkaline, the solubility in water is 0.02% (15℃).Soluble in acid and ammonium salt solutions.
 

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Time of issue:2019-09-18 00:00:00

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Time of issue:2019-09-18 00:00:00

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