Molecular Formula | MgO |
Molecular Weight | 40.30 gm/mol |
Category | Antacid; Osmotic laxative |
Storage Condition | Store protected from moisture |
Sr. No. | Test Parameters | Specification / Limits |
1 | Description | A fine white powder, odorless, 15 gm occupies volume of about 150 ml |
2 | Solubility | Practically insoluble in water, soluble in dilute acids |
3 | Identification | Shows test of Magnesium salts |
4 | Appearance of solution | Solution A is not more intensely colored than Reference solution BS2 |
5 | Arsenic | Not more than 4 ppm |
6 | Heavy Metals | Not more than 30 ppm |
7 | Chloride | Not more than 0.125 % |
8 | Iron | Not more than 0.1 % |
9 | Calcium | Not more than 1.5 % |
10 | Sulphate | Not more than 1.0 % |
11 | Loss on Ignition | Not more than 8.0 % |
12 | Soluble Substances | Not more than 20 mg |
13 | Substance Insoluble in Acetic Acid | Not more than 5 mg |
14 | Assay as MgO | Bet. 98.0 % to 100.5 % (Ignited basis) |
Molecular Formula | MgO |
Molecular Weight | 40.30 gm/mol |
Category | Antacid; Osmotic laxative |
Storage Condition | Store protected from moisture |
Sr. No. | Test Parameters | Specification / Limits |
1 | Description | A fine white powder amorphous powder. |
2 | Solubility | Practically insoluble in water, it dissolves in dilute acids with at most slight effervescence |
3 | Identification - A B |
(A) 15 gm has apparent volume before settling of about 150 ml (B) It gives the reaction of Mg salts. |
4 | Appearance of solution | Solution S is not more intensely colored than Reference solution B2 |
5 | Arsenic | Not more than 4 ppm |
6 | Heavy Metals | Not more than 30 ppm |
7 | Chlorides | Not more than 0.15 % |
8 | Calcium | Not more than 1.5 % |
9 | Iron | Not more than 0.1 % |
10 | Loss on Ignition | Not more than 8.0 % |
11 | Sulphate | Not less than 1.0 % |
12 | Soluble Substances | Not more than 20 mg |
13 | Sub. Insoluble in Acetic acid | Not more than 5 mg |
14 | Assay as MgO | Bet. 98.0 % to 100.5 % (Ignited basis) |