空白加标0.40 μg/L

空白加标1 μg/L

空白加标10 μg/L

测定值

μg/L

均值

μg/L

RSD

(%)

加标回收率(%)

测定值μg/L

均值

μg/L

RSD

(%)

加标回收率(%)

测定值μg/L

均值

μg/L

RSD

(%)

加标回收率(%)

0.382

0.398

5.0

95.5

1.11

0.980

6.8

110

9.88

9.46

2.5

98.8

0.402

100

0.995

99.5

9.56

95.6

0.387

96.8

0.926

92.6

9.38

93.8

0.410

102

1.04

104

9.62

96.2

0.377

94.2

0.933

93.3

9.39

93.8

0.420

105

0.938

93.8

9.01

90.1

0.377

94.2

0.984

98.4

9.38

93.8

0.430

108

0.918

91.8

9.45

94.5