Simultaneous Determination of Malachite Green, Chloramphenicols, Sulfonamides, and Fluoroquinolones Residues in Fish by Liquid Chromatography-Mass Spectrometry

Table 4

Linearity for the determination of analytes in fish by liquid chromatography-tandem mass spectrometry.

Analyte	Standard equation	R^2	Standard addition equation^a	R^2
Fleroxacin	y = 0.022x + 0.006	0.994	y = 0.060x + 0.053	0.991
Ofloxacin	y = 0.027x + 0.069	0.999	y = 0.075x + 0.011	0.999
Norfloxacin	y = 0.014x + 0.003	0.999	y = 0.047x + 0.002	0.998
Enoxacin	y = 0.077x + 0.349	0.998	y = 0.197x + 0.059	1.000
Ciprofloxacin	y = 0.017x + 0.129	0.994	y = 0.034x + 0.078	0.994
Enrofloxacin	y = 0.081x + 0.217	0.996	y = 0.030x + 0.038	0.999
Lomefloxacin	y = 0.010x + 0.034	0.991	y = 0.015x + 0.062	0.999
Danofloxacin	y = 0.024x + 0.037	0.999	y = 0.031x + 0.092	0.999
Orbifloxacin	y = 0.016x + 0.033	0.995	y = 0.007x + 0.069	0.998
Difloxacin	y = 0.012x + 0.021	0.994	y = 0.005x + 0.066	0.997
Sarafloxacin	y = 0.007x + 0.015	0.999	y = 0.003x + 0.022	0.999
Sparfloxacin	y = 0.015x + 0.035	0.999	y = 0.005x + 0.073	0.993
Oxolinic acid	y = 0.899x + 3.76	0.996	y = 0.501x + 0.034	0.992
Flumequine	y = 0.838x + 1.75	0.998	y = 0.359x + 0.022	0.998
Pefloxacin	y = 0.218x + 0.344	0.993	y = 0.445x + 0.027	0.999
Nalidixic acid	y = 1.18x + 6.58	0.993	y = 0.598x + 0.067	0.995
Sulfisoxazole	y = 0.014x + 0.048	0.992	y = 0.090x + 0.056	0.993
Sulfisomidine	y = 0.009x + 0.054	0.993	y = 0.007x + 0.091	0.992
Sulfathiazole	y = 0.023x + 0.075	0.995	y = 0.019x + 0.109	0.996
Sulfapyridine	y = 0.018x + 0.005	0.995	y = 0.063x + 0.322	0.999
Sulfamonomethoxine	y = 0.090x + 0.022	0.997	y = 0.082x + 0.181	0.998
Fleroxacin	y = 0.030x + 0.023	0.991	y = 0.022x + 0.306	0.994
Ofloxacin	y = 0.024x + 0.010	0.992	y = 0.013x + 0.032	0.999
Norfloxacin	y = 0.021x + 0.004	0.998	y = 0.022x + 0.231	1.000
Enoxacin	y = 0.009x + 0.014	0.997	y = 0.006x + 0.123	0.996
Ciprofloxacin	y = 0.009x + 0.065	0.996	y = 0.007 × 0.118	1.000
Enrofloxacin	y = 0.014x + 0.050	0.998	y = 0.012x + 0.124	0.992
Lomefloxacin	y = 0.003x + 0.015	0.999	y = 0.002x + 0.038	0.999
Danofloxacin	y = 0.046x + 0.099	0.993	y = 0.015x + 0.018	0.998
Orbifloxacin	y = 0.053x + 0.046	0.999	y = 0.039x + 0.097	0.999
Difloxacin	y = 0.011x + 0.052	1.000	y = 0.009x + 0.176	0.992
Sarafloxacin	y = 0.033x + 0.133	0.998	y = 0.018x + 0.083	0.997
Sparfloxacin	y = 0.006x + 0.043	0.999	y = 0.002x + 0.098	0.994
Oxolinic acid	y = 0.033x + 0.094	0.9988	y = 0.012x + 0.054	0.997
Flumequine	y = 0.002x + 0.001	0.999	y = 0.001x + 0.014	0.993
Pefloxacin	y = 0.017x + 0.033	1.000	y = 0.007x + 0.022	0.992
Nalidixic acid	y = 0.004x + 0.001	0.999	y = 0.004x + 0.028	0.993
Sulfisoxazole	y = 0.009x + 0.018	0.998	y = 0.004x + 0.127	0.993
Sulfisomidine	y = 0.614x + 0.085	0.995	y = 0.212x + 0.224	0.999
Sulfathiazole	y = 0.558x + 0.001	0.998	y = 0.191x + 0.104	0.997
Sulfapyridine	y = 0.338x + 0.024	0.999	y = 0.087 + 0.012	0.990
Sulfamonomethoxine	y = 0.324x + 0.012	1.000	y = 0.092x + 0.022	0.992