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Table 3 Intra and inter-day accuracy and precision (n = 3) for determination of repaglinide by the proposed method

From: Response surface optimization of a vortex-assisted dispersive liquid–liquid microextraction method for highly sensitive determination of repaglinide in environmental water by HPLC/UV

Parameter Accuracy and precision
Intra-day Inter-day
Spiked conc. (ng/mL) Found conc. (ng/mL) %Recovery Spiked conc. (ng/mL) Found conc. (ng/mL) %Recovery
  10 9.9 99.1 10 9.9 99.7
  40 39.4 98.5 40 39.8 99.5
  70 70.6 100.8 70 69.7 99.5
Mean    99.5    99.6
% RSD    1.2    0.13
  1. %RSD: Percent relative standard deviation