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Lithium carbonate is an inorganic compound, the lithium salt of carbonate with the formula Li2CO3. This white salt is widely used in the processing of metal oxides. For the treatment of bipolar disorder, it is on the World Health Organization’s List of Essential Medicines, a list of the most important medication needed in a basic health system.
| Product Name | LITHIUM CARBONATE IP/BP/EP/USP |
| Synonym | |
| Product Code | LITH02 |
| Chemical Formula | Li2CO3 |
| Molecular Weight | 73.89 g mol-1 |
| CAS No. | 554-13-2 |
| Standard Pack Size | 25 KG |
| Storage | Store in cool and dry place. |
| Retest Period | 1 YEAR |
| Application |
| Sr. No. | Test | Specifications | Reference |
| 1. | Description | A White, crystalline powder; odorless. | IP/BP/EP/USP |
| 2. | Solubility | Slightly soluble in water; practically insoluble in ethanol (95%). | IP/BP/EP/USP |
| 3. | Identification | (A) It gives a red colour to a non-luminous flame. (B) The residue dissolves in 3 ml of ethanol (95%). (C) The reaction A of ‘Carbonates’. (D) Immediately causes a white precipitate to form. (E) When moistuned with HCl imparts an intense crimson color to a non-luminous flame. | (A), (B) & (C) IP/BP/EP (D) & (E) USP |
| 4. | Appearance of Solution | Solution A is clear and colorless. | IP/BP/EP |
| 5. | Loss On Drying | Not more than 1.0% w/w, at 200 0C for 4 hours. | USP |
| 6. | Arsenic | Not more than 2 ppm. | IP/BP/EP |
| 7. | Calcium and Magnesium | (A) No turbidity or precipitate is produced on standing for 5 min. (B) Maximum 200 ppm (calcium), (C) Maximum 150 ppm (magnesium).. | (A) IP (B) BP/EP/USP (C) BP/EP |
| 8. | Heavy metals | Not more than 20 ppm | IP/BP/EP |
| 9. | Insoluble Substances | Not more than 0.02% w/w. | USP |
| 10. | Iron | Not more than 20 ppm. | IP/BP/EP |
| 11. | Aluminum and Iron | No turbidity or precipitate is observed. | USP |
| 12. | Potassium | Not more than 300 ppm. | IP/BP/EP |
| 13. | Sodium | Not more than 300 ppm. | IP/BP/EP/USP |
| 14. | Bulk Density | Between 0.35 g/ml to 0.55 g/ml | IHS |
| 15. | Tap Density | Between 0.65 g/ml to 0.85 g/ml | IHS |
| 16. | Sieve Analysis (A) (-) 80# (B) (-) 100# (C) (-) 200# | (A) 100.00% w/w (B) NLT 95.00% w/w (C) NLT 80.00% w/w | IHS |
| 17. | Chlorides | Not more than 200 ppm. | IP/BP/EP/USP |
| 18. | Sulfates | Not more than 200 ppm. | IP/BP/EP/USP |
| 19. | Assay | (A) Between 98.5% w/w to 100.5% w/w of Li2CO3. (B) Between 99.0% w/w of Li2CO3, Calculated on the dried basis. | (A) IP/BP/EP (B) USP |