
| Carmine for microscopy 25GM | |||
| 10459SG025 | C00012519GV | ||
| For Microscopy | C000125 | ||
| 1390-65-4 | 86889 | ||
| C44H37O27AlCa.3H2O | July 2022 | ||
| 1118.78 | June 2027 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Bright red powder. | Bright red powder. |
| 2 | Solubility | Complies | Insoluble in water. Soluble in ammonia solution. |
| 3 | Carminic acid content | 51.00% | min. 50.00% |
| 4 | Absorption, L max | 569 nm & 530 nm | 565 - 570 nm & 525 - 532 nm (In DMSO) |
| 5 | Absorptivity(A1%,1cm,L max.) | 96 | 80 - 110 & 105 - 150 (In DMSO) |
| 6 | Suitability for microscopy | Complies | Passes test |
| 7 | Sulphated ash | 15.96% | 10 - 17% |
| 8 | Water | 9.98% | 15.00% max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |