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