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Dried Aluminium Hydroxide Gel

  • Dried Aluminium Hydroxide Gel

    Molecular Formula Al(OH)3
    Molecular Weight 78.00 gm/mol
    Storage Condition Store protected from moisture

    Application

    Mainly used as an Active medicament in an Antacid Formulations, also used in manufacturing of Lake colors, Inks, catalysts carrier etcs.

    Sr. No. Test Parameters Specification / Limits
    1 Description White, light amorphous powder, Odourless and tasteless.
    2 Solubility Insoluble in water and in ethanol (95%), it dissolves in dilute mineral acids and in excess of caustic alkali solution.
    3 Identification It gives the reaction of aluminium salts.
    4 pH
    (4 % w/v Suspension.)
    Not more than 10
    5 Arsenic Not more than 5 ppm
    6 Heavy Metals Not more than 60 ppm
    7 Chloride Not more than 1.25 %
    8 Sulphate Not more than 1.20 %
    9 Neutralizing Capacity


    0.1 M NaOH
    After 10 Min. - pH NLT 1.8
    After 15 Min. - pH NLT 2.3
    After 20 Min. - pH NLT 3.0
    NMT 35 ml of 0.1 M NaOH is required
    10 Microbial Limits:
    E-Coli:  

    Absent per gm
    11 Assay as Al2O3 Between 47 % to 60 % of Al2O3
    Molecular Formula Al(OH)3
    Molecular Weight  78.00 gm/mol
    Storage Condition Preserve in tight container

    Application

    Mainly used as an Active medicament in an Antacid Formulations, also used in manufacturing of Lake colors, Inks, catalysts carrier etcs.

    Sr. No. Test Parameters Specification / Limits
    1 Description White amorphous powder, odorless, tasteless
    2 Solubility Soluble in dilute mineral acids, and solution of fixed alkali hydroxide. Insoluble in water and alcohol.
    3 Identification - A
    B
    By IR spectrophotometer.
    It gives the reaction of aluminium.
    4 Acid Neutralizing Capacity Not less than 25.0 mEq per gm.
    5 pH(1gm in 25ml) Not more than 10
    6 Chloride Not more than 0.85 %
    7 Sulphate Not more than 0.60 %
    8 Arsenic Not more than 8 ppm
    9 Heavy Metals Not more than 0.006 %
    10 Assay as Al(OH)3 Not less than 76.5 % of Al(OH)3
    Molecular Formula Al(OH)3

    Application

    Mainly used as an Active medicament in an Antacid Formulations, also used in manufacturing of Lake colors, Inks, catalysts carrier etcs.

    Sr. No. Test Parameters Specification / Limits
    1 Description A white amorphous powder.
    2 Solubility Practically insoluble in water. It dissolves in dilute mineral acids and in solutions of alkali hydroxides.
    3 Identification Solution S gives the reaction of aluminium salts.
    4 Appearance of solution Solution S not more opalescent than Ref. suspension II, and not more intensely colored than Ref. sol GY6
    5 Alkaline Impurities Any pink color is disappeared on the addition of 0.3 ml of 0.1M HCl.
    6 Neutralizing Capacity After 10 Min. - pH NLT 1.8 - NMT 4.5
    After 15 Min. - pH NLT 2.3 - NMT 4.5
    After 20 Min. - pH NLT 3.0 - NMT 4.5
    NMT 35 ml of 0.1M NaOH is required
    7 Chloride Not more than 1.0 %
    8 Sulphate Not more than 1.0 %
    9 Arsenic Not more than 4 ppm
    10 Heavy Metals  Not more than 60 ppm
    11 Microbial Contamination:

    Total viable aerobic count
    Total Yeast & Mold Count
    E-Coli
    Salmonella
    Pseudomonas aeruginosa
    Staphylococcus aureus
    Not more than 1000 cfu/g
    Not more than 100 cfu/gm
    Absent per gm
    Absent per gm
    Absent per gm
    Absent per gm
    12 Assay as Al2O3 Between 47.0 % to 60.0 % of Al2O3