Stability Indicating Liquid Chromatographic Method for Estimation of Trihexyphenidyl Hydrochloride and Risperidone in Tablet Formulation: Development and Validation Consideration

Figure 2

Chromatogram of THP and RSP degradation. (a) Acidic degradation. (b) Basic degradation. (c) Oxidative degradation. (d) Thermal degradation. (e) Photolytic degradation.

(a)

(b)

(c)

(d)

(e)