Haematoxylin stain certified 25GM | |||
10731SG025 | 916792516IW | ||
For Microscopy | 9167925 | ||
517-28-2 | 97692 | ||
C16H14O6.nH2O | September 2023 | ||
302.29 | August 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Pale being powder. | Pale being powder. |
2 | Solubility | Complies | Soluble in alcohol and acetonitrile. |
3 | Dye content | 86.0% | Min.85.0% |
4 | Absorption L max. | 292 nm | 290 nm - 292 nm (in acetonitrile) |
5 | Absorptivity at L max | 170 | 140 - 170 (on dry basis in acetonitrile) |
6 | Water | 5.3% | 5.0-6.0% |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |