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, 𝑅 𝑓 : 0.28), peak 2 (degraded, 𝑅 𝑓 : 0.32).
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