Table 3. Reproducibilities of the LC-MS/MS analysis of the test pesticides at concentrations of LOQ, 10LOQ, and 50LOQ.
Pesticide | Concentration (mg kg−1) | Peak area | Peak height | Retention time (min) | |||
---|---|---|---|---|---|---|---|
Mean ± SD | RSD (%) | Mean ± SD | RSD (%) | Mean ± SD | RSD (%) | ||
Broflanilide | LOQ | 129,238 ± 2,282 | 1.8 | 14,829 ± 418 | 2.8 | 4.03 ± 0.0 | 0.4 |
10LOQ | 1,304,875 ± 21,276 | 1.6 | 148,325 ± 3,275 | 2.2 | 4.04 ± 0.0 | 0.4 | |
50LOQ | 6,410,625 ± 110,164 | 1.7 | 721,413 ± 20,332 | 2.8 | 4.04 ± 0.0 | 0.6 | |
DM-8007 | LOQ | 287,463 ± 6,867 | 2.4 | 31,403 ± 1.121 | 3.6 | 4.60 ± 0.0 | 0.3 |
10LOQ | 2,774,625 ± 25,528 | 0.9 | 301,088 ± 7,078 | 2.4 | 4.61 ± 0.0 | 0.4 | |
50LOQ | 13,666,250 ± 276,608 | 2.0 | 1,491,125 ± 49,133 | 3.3 | 4.60 ± 0.0 | 0.5 | |
S(PFH-OH)-8007 | LOQ | 109,375 ± 3,426 | 3.1 | 13,018 ± 394 | 3.0 | 2.70 ± 0.0 | 0.5 |
10LOQ | 1,071,250 ± 19,091 | 1.8 | 125,625 ± 4,372 | 3.5 | 2.70 ± 0.0 | 0.4 | |
50LOQ | 5,335,000 ± 122,009 | 2.3 | 622,463 ± 16,129 | 2.6 | 2.70 ± 0.0 | 0.7 |
LOQ, limit of quantitation (5 μg kg−1); SD, standard deviation; RSD, relative standard deviation.