Method Concentration of sulpiride (μg/mL) Recovery (μg/mL) Recovery*, % ± R.S.D
Spectrophotometric      
  BCG 14 13.92 99.43 ± 0.87
17 16.98 99.88 ± 0.76
20 19.96 99.80 ± 0.92
CR 14 13.88 99.14 ± 0.80
17 16.90 99.41 ± 0.86
20 19.94 99.70 ± 0.85
MO 14 13.90 99.28 ± 0.82
17 16.91 99.47 ± 0.66
20 19.92 99.60 ± 0.86
Chromatography      
BCG 14 13.94 99.57 ± 0.79
CR 17 16.93 99.59 ± 0.71
MO 20 19.97 99.85 ± 0.82
*Average of 5 measurements
Table 4: Recovery of sulpiride added to human plasma after extraction using chloroform.