Time (h) Content (×10-5 g/mL) Added (×10-5 g/mL) Found (×10-5 g/mL) Recovery (%) RSD n=5 (%)
1 * 0.002 0.0021 105 2.2
2 1.0 2.0 3.05 103 1.8
4 10.8 10.0 20.7 99.0 1.7
8 7.8 5.0 12.7 98.0 1.6
12 7.2 5.0 12.2 100 1.8
* not detected
Table 3: Determination of FLX in urine samples.