
| Haematoxylin stain certified 25GM | |||
| 10731SG025 | 963222520DZ | ||
| For Microscopy | 9632225 | ||
| 517-28-2 | 119726 | ||
| C16H14O6.nH2O | April 2026 | ||
| 302.29 | March 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Pale being powder. | Pale being powder. | |
| 2 | Solubility | Complies | Soluble in alcohol and acetonitrile. | |
| 3 | Dye content | 85.4% | Min.85.0% | |
| 4 | Absorption L max. | 291 nm | 290 nm - 292 nm (in acetonitrile) | |
| 5 | Absorptivity at L max | 154 | 140 - 170 (on dry basis in acetonitrile) | |
| 6 | Water | 5.53% | 5.0-6.0% |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |