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Specifications Product : Heavy Basic Magnesium Carbonate Molecular Formula : MgCO3 Molecular Weight : 84 Identification : Positive to tests of Magnesium & Carbonate Description : A White powder, 15 gm occupies a volume of about 30 ml. Solubility : in-soluble in water, Soluble in Dilute Acids.
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Grades
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IP
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BP
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JP
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EP
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Appearance of solution
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Clear in acetic acid
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Clear in acetic acid
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Clear in acetic acid
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Clear in acetic acid
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Arsenic
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Max 2 ppm
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Max 2 ppm
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Max. 5 ppm
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Max. 2 ppm
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Iron
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Max 400 ppm
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Max 400 ppm
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Max. 200 ppm
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Max. 400 ppm
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Heavy Metals
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Max 20 ppm
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Max 20 ppm
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Max. 30 ppm
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Max. 20 ppm
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Chloride
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0.07% Max.
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700 PPM Max.
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0.1 % Max.
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Max. 0.07 %
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Calcium
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0.75% Max.
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0.75% Max.
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0.6 % Max.
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Max. 0.75 %
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Copper
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No Blue Colour
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-
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-
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-
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Soluble Substance
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1 % Max.
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1 % Max.
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10.0 mg Max.
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Max. 1.0 %
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Substance In-soluble in Acetic Acid
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0.05% Max.
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0.05% Max.
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2.5 mg Max.
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Max. 0.05 %
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Sulphate
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0.07 % Max.
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0.6% Max.
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-
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Max. 0.6 %
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Microbial Limits
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-
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-
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-
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-
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Assay as MgO
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40.0 % to 45 %
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40.0 % to 45.0 %
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40.0 % to 43.5 %
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40.0 % to 45.0 %
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