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Table 3 Freeze and thaw stability study

From: Salting-out induced liquid–liquid microextraction for alogliptin benzoate determination in human plasma by HPLC/UV

  Added (µg/mL) Found (µg/mL) Recovery (%) RSD (%) RE (%)
1st cycle 5.00 4.98 99.63 4.28 0.37
20.00 19.98 99.91 3.39 0.09
40.00 41.03 102.58 3.26 2.58
2nd cycle 5.00 5.21 104.23 1.94 4.23
20.00 19.88 99.38 1.54 0.62
40.00 39.34 98.36 1.49 1.64
3rd cycle 5.00 5.09 101.73 3.66 1.73
20.00 20.57 102.83 0.98 2.83
40.00 38.89 97.23 4.92 2.77