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Results of spectral tests of the various formulations tested.
| Tested medium | Absorption at 447/450 nm 14 days | Absorption at 447/450 nm 22 days |
|---|---|---|
| Diethyl ether | 0 | 0 |
| Diethyl ether+BHT+9CBC | 2.11/2.08 | 1.05/0.96 |
| Diethyl ether+lecithin+BHT+9CBC | 2.43/2.32 | 2.42/2.30 |
Demonstrating the preservative effects of the various formulations tested on the 9CBC.
