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Table 17 Results of precision study for all the solvents

From: Determination of residual solvents in paclitaxel by headspace gas chromatography

Parameter Percentage RSD
Methanol Ethanol Acetone Isopropyl alcohol Dichloromethane N-Hexane Ethyl acetate Tetrahydrofuran DIPEA
System precision (standard solution) (peak area) 2.48 3.48 1.25 0.98 0.87 0.85 1.21 0.75 0.64
Precision at LOQ (peak area) 3.51 2.78 2.49 3.48 4.51 3.98 3.48 2.85 2.18
Repeatability (intraday) (content ppm) 0.85 0.57 0.48 0.71 0.73 0.81 0.76 0.81 0.73
Intermediate precision (interday) (content ppm) 0.74 0.97 0.96 0.67 0.71 0.79 0.68 0.71 0.69
Cumulative (intraday and interday) (content ppm) 0.8 0.79 0.74 0.69 0.68 0.73 0.71 0.76 0.71