| 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 |
|
