Table 1 System analytical performance parameters for the developed method.
Analyte | LOD, μg/kg | LOQ, μg/kg | LR, μg/kg | R2 | %RSD |
|---|---|---|---|---|---|
4-aminobiphenyl | 10.2 | 33.9 | 27-1947.2 | 0.9966 | 10.3 |
Benzidine | 17.9 | 59.5 | 52.3–507 | 1.000 | 12.2 |
4-chloro-2-methylaniline | 8.0 | 26.5 | 27–507 | 0.9999 | 9.7 |
2-naphthylamine | 12.2 | 40.7 | 52.3–507 | 0.9974 | 11.9 |
o-aminoazotoluene | 15.0 | 49.9 | 52.3-1947.2 | 0.9985 | 12.3 |
2-amino-4-nitrotoluene | 32.3 | 107.7 | 102.7-1947.2 | 0.9991 | 8.0 |
4-chloroaniline | 18.5 | 61.8 | 52.3–507 | 0.9985 | 9.9 |
4,4’-methylenedianiline | 28.5 | 94.8 | 102.7–507 | 1.000 | 6.2 |
3.3’-dichlorobenzidine | 6.2 | 20.8 | 27–507 | 0.9988 | 12.0 |
3,3’-dimethylbenzidine | 3.7 | 12.2 | 13.1-253.4 | 0.9994 | 12.8 |
4,4’-diamino-3,3’-dimethyldiphenylmethane | 2.8 | 9.5 | 13.1-253.4 | 0.9992 | 10.6 |
4,4’-oxydianiline | 27.3 | 91.1 | 102.7–507 | 0.9997 | 9.9 |
4,4’-thiodianaline | 70.7 | 235.7 | 253.4-1947.2 | 0.9998 | 7.4 |
2,4,5-trimethylaniline | 5.4 | 18.0 | 27-253.4 | 0.9991 | 7.9 |
o-anisidine | 8.3 | 27.6 | 27-253.4 | 0.9987 | 10.3 |
3,3’-dimethoxybenzidine | 6.1 | 20.4 | 27-253.4 | 1.000 | 12.3 |
p-cresidine | 7.5 | 25.1 | 27-253.4 | 0.9991 | 10.7 |
4,4’-dimethylene bis (2-chloroaniline) | 5.4 | 18.0 | 27–507 | 0.9996 | 12.2 |
2,4-dimethylaniline | 8.7 | 28.9 | 27-253.4 | 0.9988 | 8.6 |