HYDROTELCITE BP

CAS  No. : 12304-65-3
Molecular Formula : Al2O3.6MgO.CO2.12H2O
Molecular Weight : 604.0 gm/mol
Source : BP-2013

Application

Laxative

Sr. No. Test Parameters Specification / Limits
1 Description A White or almost white free flowing powder.
2 Solubility Practically insoluble in water, it dissolves in dilute mineral acids with slight effervescence.
3 Identification (A)
(B)
It gives the reaction of aluminium salts.
It gives the reaction of magnesium salts.
4 Neutralizing capacity Not less than 260 ml/gm of 0.1M HCl required
5 Alkalinity as pH
(4% w/v suspension)
Between 8.0 to 10.0
6 Arsenic Not more than 3 ppm
7 Heavy Metals Not more than 30 ppm
8 Chloride Not more than 0.3 %
9 Sodium Not more than 0.1 %
10 Sulphate Not more than 0.7 %
11 Loss on ignition Between 40% to 50% when ignited at 800°
12 Assay as Al2O3
Assay as MgO
Between 15.3 % to 18.7 %
Between 36.0 % to 44.0 %


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