Cellulose powder (For Column Chromatography) 500GM | |||
10455SG500 | 896090101JV | ||
-- | 8960901 | ||
9004-34-6 | 88429 | ||
--- | October 2022 | ||
--- | September 2027 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Off 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 | 6.71 | 5.0-7.5(10 g with 90 ml of carbon dioxide-free water) |
5 | Loss on drying,105°C | 4.8% | 6.5% max. |
6 | Sulphated ash | 0.1% | 0.3% max. |
7 | Heavy metal (as Pb) | 9ppm | 10ppm max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |