Table 2 Investigation of reproducibility, recovery percentage, and enrichment factor of aromatic amine compounds sampled with nHA;Ze;MOF@NTD.

From: Urinary bio-monitoring of aromatic amine derivatives by new needle trap device packed with the multi-component adsorbent

Analytes

RSD% for different NTDs at concentration of 50.0 ng L−1

Recovery% at different concentrations ( ng L−1)

Enrichmet factor

NTD1

NTD2

NTD3

10.0

25.0

50.0

85.0

100.0

10.0

25.0

50.0

85.0

100.0

Aniline

5.9

7.2

3.9

98.0

97.0

99.0

97.0

99.0

28.4

29.2

30.2

31.2

32.5

Dimethylaniline

6.3

4.3

7.8

99.0

98.0

97.0

98.0

98.0

29.5

31.5

32.8

34.2

33.5

2-Chloroaniline

4.8

3.9

8.1

97.0

99.0

98.0

99.0

98.0

27.4

28.1

28.6

29.5

30.8

3-Chloroaniline

4.9

5.2

7.9

98.0

97.0

98.0

97.0

97.0

28.2

29.0

29.8

31.7

32.4