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.