Sample exposure condition Number of degradation products (Rf values) Drug remained
(900 ng /band)
Recovery (%)
ROP ROP ROP
1 M HCl, 8h,RT 1 (0.20) 750.05 83.34
1MNaOH,8h,RT 2 (0.20,0.45) 698.85 77.65
30% H2O2,8h, RT 1(0.37) 752.28 83.59
 Photo, 8 h 2(0.35,0.46) 725.70 80.63
Heat, 3H,  55°C 2(0.45,0.71) 756.18 84.02
Table 5: Forced degradation of ropinirole (ROP).