Table 1: Percentage peak area of bromazepam and its degradation product in the chromatogram after degradation at different time points

Time (min) Bromazepam area (%) Degradation product area (%)
0 100 0
30 63.719 33.854
60 40.247 52.844
90 19.936 60.359
120 9.279 87.293
150 5.863 94.137