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. 2022 Jun 6;31(7):787–796. doi: 10.1007/s10068-022-01101-3

Table 2.

Method validation of selected pesticides in kale using the SCZ clean-up method with LC-MS/MS analysis

Pesticides Linearity
(r2)		 LODa
mg/kg		 LOQb
mg/kg		 Recovery (%) Repeatability (%RSDc) Within-laboratory reproducibility (%RSD)
0.01 0.05 0.1 0.01 0.05 0.1 0.01 0.05 0.1
mg/kg mg/kg mg/kg
Amisulbrom 0.9998 0.0001 0.0003 90.4 80.0 84.0 4.5 2.5 5.4 5.8 2.4 4.5
Bensulfuron-methyl 0.9997 0.0001 0.0002 12.1 17.2 9.6 4.5 9.1 10.4 4.8 11.9 9.8
Benzobicyclon 0.9990 0.0001 0.0003 37.0 47.6 29.8 2.3 5.6 13.2 8.6 13.0 10.1
Cyclosulfamuron 0.9989 0.0001 0.0004 10.4 16.2 3.5 5.2 7.6 7.3 6.9 12.1 13.1
Diflubenzuron 0.9994 0.0001 0.0002 85.2 94.7 70.5 2.0 8.1 6.9 2.9 11.9 5.3
Fenazaquin 0.9998 0.0002 0.0007 81.6 78.5 70.6 0.7 0.8 10.1 13.9 10.7 7.1
Fenhexamid 0.9992 0.0005 0.0016 7.1 7.3 3.2 3.6 14.2 9.9 7.2 13.3 8.7
Fenpyroximate 0.9987 0.0001 0.0004 85.6 70.9 76.2 2.6 4.7 1.1 12.8 5.0 0.9
Forchlorfenuron 0.9995 0.0001 0.0003 70.4 88.4 76.4 4.1 4.8 8.9 3.5 10.7 6.3
Imazalil 0.9991 0.0002 0.0005 26.3 18.9 11.7 0.6 9.1 10.3 13.4 13.8 7.3
Inabenfide 0.9997 0.0006 0.0018 22.1 36.8 11.3 2.4 9.1 10.8 6.0 10.1 11.6
Mepanipyrim 0.9975 0.0003 0.0008 89.3 82.1 88.1 2.5 0.2 4.4 9.9 0.2 3.4
Metamifop 0.9989 0.0001 0.0002 91.7 78.8 83.7 2.0 7.2 1.2 13.3 5.5 2.5
Methabenzthiazuron 0.9991 0.0001 0.0002 85.2 84.1 87.5 2.4 0.9 6.8 4.4 3.9 5.1
Penoxsulam 0.9989 0.0002 0.0005 9.4 16.6 10.2 6.4 9.1 5.1 8.9 7.1 7.4
Probenazole 0.9984 0.0013 0.0040 88.1 86.1 90.7 3.4 0.6 5.7 9.2 1.2 4.4
Propaquizafop 0.9988 0.0001 0.0002 89.8 77.9 79.1 0.7 3.6 7.2 13.3 5.7 5.3
Pyraclostrobin 1.0000 0.0001 0.0003 89.4 83.3 88.7 1.9 1.5 0.1 5.3 3.0 1.2
Pyrazolate 0.9985 0.0001 0.0002 62.5 62.7 58.8 1.0 0.1 11.1 6.1 11.9 8.7
Pyrazophos 0.9997 0.0001 0.0003 92.7 96.3 99.7 0.3 7.6 13.1 1.3 8.1 10.2
Pyridaben 0.9990 0.0001 0.0004 70.3 77.7 90.3 0.3 4.4 10.2 0.4 6.2 8.5
Pyrimethanil 0.9994 0.0002 0.0005 88.3 85.4 88.5 2.4 0.7 4.7 4.4 4.8 3.4
Pyrimidifen 0.9987 0.0001 0.0002 86.3 76.9 78.0 1.3 4.0 6.1 7.6 7.1 4.8
Quinoclamine 0.9998 0.0002 0.0007 88.6 86.8 93.6 2.9 0.2 10.6 5.3 2.1 7.5
Quizalofop-ethyl 0.9992 0.0001 0.0002 91.9 84.3 87.9 1.2 2.8 5.6 8.3 3.1 4.6
Sethoxydim 0.9998 0.0002 0.0007 7.5 11.5 2.6 5.1 9.6 12.0 10.6 11.4 11.4
Teflubenzuron 0.9997 0.0004 0.0011 84.7 86.3 75.8 11.4 7.6 2.2 8.5 7.3 2.4
Thiabendazole 0.9986 0.0001 0.0004 18.0 19.2 7.4 3.3 6.5 9.7 7.2 11.2 7.0
Thidiazuron 0.9999 0.0001 0.0002 50.9 66.5 63.2 4.7 3.6 9.8 3.5 5.4 7.0
Tiadinil 1.0000 0.0002 0.0006 86.0 83.9 88.0 4.7 7.6 4.7 8.3 5.4 5.5

aLimit of detection

bLimit of quantification

cRelative standard deviation