组分

本底浓度/(mg/L)

添加值/(mg/L)

平均测定值/(mg/L)

平均回收率/%

乙醛

0

15.05

14.39

95.63

23.52

25.08

106.61

31.65

32.20

101.75

10.45

10.45

21.52

105.96

15.05

26.42

106.11

23.52

34.06

100.38

15.05

15.05

30.05

99.67

23.52

39.25

102.87

31.65

49.12

107.66

丙醛

0

15.57

13.60

87.33

24.35

26.81

110.10

32.18

33.41

103.82

10.56

10.56

21.39

102.57

15.57

27.42

108.28

24.35

35.53

102.56

15.57

15.57

31.92

105.01

24.35

40.47

102.27

32.18

50.38

108.16