Amount Spike Amount found SD %RSD Recovery tcal CI
SS BH ET SS BH ET SS BH ET SS BH ET SS BH ET SS BH ET SS BH ET
Intra-day (n=3)
1.6 6.4 160 1.59 6.39 159.54 0.0058 0.0153 0.7427 0.3616 0.2389 0.4655 99.79 99.90 99.71 1.00 0.76 1.06 0.0086 0.0227 1.1045
2.0 8.0 200 1.99 7.99 199.39 0.0100 0.0153 0.7396 0.5025 0.1913 0.3709 99.50 99.83 99.69 1.72 1.51 1.43 0.0149 0.0227 1.0999
2.4 9.6 240 2.38 9.59 239.58 0.0153 0.0100 0.8145 0.6409 0.1043 0.3400 99.31 99.90 99.82 1.88 1.73 0.90 0.0227 0.0149 1.2112
Inter-day (n=6)
1.6 6.4 160 1.59 6.38 159.54 0.0141 0.0207 0.9247 0.89 0.3236 0.5796 99.38 99.74 99.71 1.72 1.97 1.21 0.0210 0.0307 1.3752
2.0 8.0 200 1.98 7.99 199.48 0.0137 0.0137 1.3012 0.69 0.1711 0.6523 99.17 99.83 99.74 2.96 2.39 0.97 0.0203 0.0203 1.9351
2.4 9.6 240 2.38 9.57 239.83 0.0147 0.0279 1.0394 0.62 0.2907 0.4334 99.51 99.88 99.93 1.93 1.02 0.40 0.0219 0.0414 1.5458
Table 4: Results of recovery study of SS, BH and ET by HPLC Method.