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Magnesium Hydroxide

  • Magnesium Hydroxide

    Molecular Formula Mg(OH)2
    Molecular Weight 58.32 gm/mol

    Application

    Widely used as an Antacid in many formulations. Also used as intermediate for obtaining magnesium metal, residual fuel oil additive, sulfite pulp, uranium processing, dentifrices, in food as alkali, drying agent, color retention agent, frozen deserts. Also widely used in Effluent Treatment Plant especially where the Effluents is very much alkaline in nature.

    Sr. No. Test Parameters Specification / Limits
    1 Description White fine amorphous Powder.
    2 Solubility Practically insoluble in water. It dissolves in dilute acids.
    3 Identification: (A) (B) Reaction A for Magnesium salts. As per loss on ignition test.
    4 Appearance of solution (solution-S) Not more intensely colored than Ref.sol B3
    5 Soluble substances Not more than 20 mg
    6 Substance insoluble in Acetic Acid Not more than 5 mg
    7 Arsenic Not more than 4 ppm
    8 Heavy Metals Not more than 30 ppm
    9 Chloride Not more than 0.1 %
    10 Sulphate Not more than 0.5 %
    11 Calcium Not more than 1.5 %
    12 Iron Not more than 0.07 %
    13 Loss on ignition Between 29.0 % to 32.5 %
    14 Assay as Mg(OH)2 Between 95 % to 100.5 % of Mg(OH)2
    Molecular Formula Mg(OH)2
    Molecular Weight 58.32 gm/mol
    Storage Condition Preserve in tight container

    Application

    Widely used as an Antacid in many formulations. Also used as intermediate for obtaining magnesium metal, residual fuel oil additive, sulfite pulp, uranium processing, dentifrices, in food as alkali, drying agent, color retention agent, frozen deserts. Also widely used in Effluent Treatment Plant especially where the Effluents is very much alkaline in nature.

    Sr. No. Test Parameters Specification / Limits
    1 Description A Bulky white powder
    2 Solubility Practically insoluble in water and in alcohol. Soluble in dilute acids.
    3 Identification - A Reaction for Magnesium salt
    4 Microbial Limits: E-Coli Absent per gm
    5 Loss on Drying Not more than 2 %, Dry at 105°
    6 Loss on Ignition Between 30% to 33%, ignited at 800°
    7 Soluble salts Not more than 10 mg
    8 Carbonate Not more than slight effervescence is observed
    9 Limit of Calcium Not more than 1.5%
    10 Heavy Metals Not more than 20 µg per gm
    11 Limit of Lead Not more than 0.00015
    12 Assay as Mg(OH)2 (Dried Basis) Between 95 % to 100.5 % of Mg(OH)2
    Molecular Formula Mg(OH)2
    Molecular Weight 58.32 gm/mol

    Application

    Widely used as an Antacid in many formulations. Also used as intermediate for obtaining magnesium metal, residual fuel oil additive, sulfite pulp, uranium processing, dentifrices, in food as alkali, drying agent, color retention agent, frozen deserts. Also widely used in Effluent Treatment Plant especially where the Effluents is very much alkaline in nature.

    Sr. No. Test Parameters Specification / Limits
    1 Description White fine amorphous Powder.
    2 Solubility Practically insoluble in water. It dissolves in dilute acids.
    3 Identification: (A) (B) Reaction A for Magnesium salts. As per loss on ignition test.
    4 Appearance of solution (solution-S) Not more intensely colored than Ref.sol B3
    5 Soluble substances Not more than 20 mg
    6 Substance insoluble in Acetic Acid Not more than 5 mg
    7 Arsenic Not more than 4 ppm
    8 Heavy Metals Not more than 30 ppm
    9 Chloride Not more than 0.1 %
    10 Sulphate Not more than 0.5 %
    11 Calcium Not more than 1.5 %
    12 Iron Not more than 0.07 %
    13 Loss on ignition Between 29.0 % to 32.5 %
    14 Assay as Mg(OH)2 Between 95 % to 100.5 % of Mg(OH)2