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Table 4 The relative recoveries of NSAIDs determination by the prepared Zn-MOF-5@BHPAC nanocomposite-coated SPME fiber (n = 3)

From: Introduction of a Zn-based metal–organic framework @ biomass porous activated carbon as a high-sensitive coating for a stainless steel SPME fiber: application to the simultaneous analysis of nonsteroidal anti-inflammatory drugs

Analytes

Added (µg L−1)

Powerhouse water

River water

Road soil

Beach soil

Found (µg L−1)

RRa ± RSD (%)

Found (µg L−1)

RR ± RSD (%)

Found (µg L−1)

RR ± RSD (%)

Found (µg L−1)

RR ± RSD (%)

Ketoprofen

0.00

2.60

5.19

3.48

5.00

5.01

100.20 ± 4

7.37

91.15 ± 7

9.63

89.21 ± 3

8.00

86.20 ± 3

10.00

9.84

98.40 ± 3

12.45

94.23 ± 3

15.00

96.33 ± 2

13.61

103.73 ± 4

Naproxen

0.00

8.90

13.42

7.07

5.00

4.86

97.20 ± 3

13.50

95.50 ± 2

16.62

86.58 ± 7

12.60

98.70 ± 5

10.00

9.83

98.30 ± 6

18.93

100.33 ± 5

22.60

93.88 ± 3

17.00

90.90 ± 6

Diclofenac

0.00

6.55

4.19

5.00

4.92

98.40 ± 5

11.02

91.90 ± 6

8.58

85.44 ± 5

4.80

96.00 ± 4

10.00

9.50

95.00 ± 3

15.86

89.46 ± 3

14.01

97.85 ± 5

9.92

99.20 ± 7

Ibuprofen

0.00

10.03

17.39

8.83

5.00

4.60

92.00 ± 7

13.8

87.83 ± 5

22.20

96.20 ± 2

12.92

89.69 ± 5

10.00

10.20

102.00 ± 2

19.5

94.71 ± 4

28.00

89.21 ± 4

18.25

93.43 ± 5

Mefenac acid

0.00

3.33

5.70

96.33 ± 5

5.95

5.00

4.73

94.60 ± 3

8.00

90.09 ± 2

9.96

85.20 ± 3

10.22

87.73 ± 2

10.00

9.52

95.20 ± 3

13.37

101.20 ± 2

15.71

86.58 ± 7

15.81

97.64 ± 3

  1. – ND
  2. aRelative recovery