Chromatography Research International

Research Article

RP-HPLC Method for Determination of Several NSAIDs and Their Combination Drugs

Table 6

Intraday and interday precision of drugs.
DrugConcentration ( g/mL)IntradayInterday precision ( )
  Day 0 ( )Day 1 ( )Day 2 ( )
Mean ± SD ( g/mL)RSD (%)Mean ± SD ( g/mL)RSD (%)Mean ± SD ( g/mL)RSD (%)Mean ± SD ( g/mL)RSD (%)
PCM5 0.90 0.93 0.85 0.96
20 0.42 0.72 0.70 0.88
40 0.79 0.66 0.75 0.42
THC10 0.92 0.59 0.90 0.88
40 0.44 0.42 0.25 0.48
80 0.31 0.46 0.56 0.24
SA10 0.56 0.93 0.68 0.70
40 0.51 0.44 0.25 0.38
80 0.30 0.33 0.21 0.34
MCX10 0.81 0.83 0.81 0.82
40 0.67 0.34 0.45 0.50
80 0.53 0.32 0.47 0.49
ASP10 0.67 0.86 0.83 0.59
40 0.49 0.36 0.32 0.42
80 0.43 0.44 0.19 0.36
DOM10 0.55 0.54 0.61 0.67
40 0.63 0.44 0.40 0.38
80 0.34 0.25 0.13 0.54
CPM10 0.73 0.87 0.61 0.25
40 0.32 0.42 0.43 0.51
80 0.32 0.31 0.30 0.33
DXM20 0.67 0.35 0.29 0.85
80 0.27 0.32 0.23 0.17
160 0.19 0.33 0.17 0.34
KTL10 0.34 0.75 0.91 0.91
40 0.41 0.42 0.39 0.39
80 0.24 0.58 0.11 0.43
ETC10 0.92 0.86 0.65 1.00
40 0.61 0.51 0.50 0.62
80 0.26 0.58 0.23 0.34
NPX5 0.90 0.73 0.90 0.91
20 0.85 0.83 0.49 0.89
40 0.79 0.65 0.30 0.39
ACF10 0.37 0.39 0.73 0.91
40 0.41 0.19 0.40 0.44
80 0.43 0.34 0.33 0.21
DCF10 0.84 0.77 0.83 0.94
40 0.16 0.37 0.50 0.69
80 0.03 0.50 0.07 0.19
IBF20 0.97 0.33 0.75 0.77
80 0.40 0.13 0.24 0.27
160 0.32 0.27 0.17 0.29
CLP10 0.83 1.69 0.70 0.84
40 0.49 0.46 0.61 0.40
80 0.29 0.93 0.10 0.37