Research Article
Stability-Indicating HPTLC-Densitometric Method for Estimation of Dorzolamide Hydrochloride in Eye Drops
Figure 4
Densitogram of base-treated dorzolamide hydrochloride 300 ng/spot; condition: 0.2 M NaOH at 60°C for 4.5 h; peak 1 (dorzolamide hydrochloride, : 0.28), peak 2 (degraded, : 0.32).