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Light Magnesium Carbonate

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Light Magnesium Carbonate
Light Magnesium Carbonate
Product Description
Light Magnesium Carbonate

Grades

IP

BP/EP

USP-NF

Description

Very light white powder ; odorless

White or almost white powder

Light, white, friable masses, or as bulky, white powder, odorless

Identification

Gives reactions of carbonates and magnesium salts

Gives reactions of carbonates and magnesium

It gives the reactions to magnesium 

Solubility

Practically insoluble in water. It dissolves in dilute acids with strong effervescences

Practically insoluble in water. It dissolves in dilute acids with strong effervescences

It is practically Insoluble in water and alcohol, dissolves with effervescences in dilute acids

Arsenic

2 ppm

Max 2 ppm

Max 4 ppm

Chloride

0.1%

Max 700 ppm

-

Iron

400 ppm

Max 400 ppm

Max 200 ppm

Heavy Metals

Max 20 ppm

Max 20 ppm (EP)

-

Color of Solution

Not more intensely coloured than reference solution

Not more intensely coloured than reference solution

-

Sulphate

0.3%

Max 0.3%

-

Soluble substances

1.0%

Max 1.0%

-

Soluble salt

-

-

Max 1.0%

Substances insoluble in acetic acid

0.05%

Max 0.05%

Max 0.05%

Calcium

0.75%

0.75%

Max 0.45%

Copper

No blue color is produced

-

-

Loss on drying

-

Max 0.5% (EP)

-

Sulfated ash

-

Max 0.1% (EP)

-                          

Assay Dry Basis

40.0% to 45.0%

40.0% to 45.0%

40.0% to 43.5%

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