
| Cellulose powder (For Column Chromatography) 500GM | |||
| 10455SG500 | 943640124BY | ||
| -- | 9436401 | ||
| 9004-34-6 | 110117 | ||
| --- | February 2025 | ||
| --- | January 2030 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Of white crystalline powder. | Coarse to fine White or off white crystalline powder | |
| 2 | Solubility | Complies | Practically insoluble in water, slightly soluble in a 50 g/l solution of sodium hydroxide, practically insoluble in acetone, in ethanol, in toluene, in dilute acids and in most organic solvents. | |
| 3 | Suitability test for column chromatography | Complies | Passes test | |
| 4 | pH | 6.24 | 5.0-7.5(10 g with 90 ml of carbon dioxide-free water) | |
| 5 | Loss on drying,105°C | 4.3% | 6.5% max. | |
| 6 | Sulphated ash | 0.1% | 0.3% max. | |
| 7 | Heavy metal (as Pb) | Less than 10ppm | 10ppm max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |