Carmine for microscopy 5GM | |||
10459SG005 | C00012501LV | ||
For Microscopy | C000125 | ||
1390-65-4 | 86889 | ||
C44H37O27AlCa.3H2O | December 2022 | ||
1118.78 | November 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) |