Pesticide Retention Data

Pesticide Elution Order Using Low Bleed Phases
Run Conditions:
Columns: 30 m x 0.25 mm id, 0.25 id, 0.25 mm
Carrier Gas: Helium at 35 cm/sec, measured at 50℃
Oven: 50℃ for 1 min
50-100℃ at 25°/min
100-300℃ at 5°/min (DB-1701 ramped to 280℃)
300℃ for 5 min (DB-1701 held at 280℃ for 10 min)
Alphabetical Order By Analyte
Compound
Alachlor
24.29
25.84
27.4
27.91
27.59
Aldrin
25.99
27.33
28.28
28.54
26.79
Aspon
25.72
26.69
28.11
27.55
28.22
Atrazine
21.11
22.65
24.82
24.5
25.12
Azinphos-ethyl
37.51
39.94
43.31
43.27
48.74
Azinphos-methyl
36.28
38.83
42.6
42.75
45.86
α-BHC
20.01
21.83
23.5
23.83
23.06
β-BHC
21.12
24.95
26.62
26.7
24.84
γ-BHC
21.46
23.37
25.32
25.73
27.97
σ-BHC
22.7
25.98
27.83
28.08
28.89
Bolstar
32.16
33.89
36.25
35.94
34.96
1-Bromo-2-nitrobenzene(IS)
11.5
12.73
14.87
15.66
14.68
2-Bromobiphenyl(SS)
17.31
18.49
20.24
21.01
18.62
Captafol
33.91
36.35
39.46
40.31
40.4
Captan
27.98
30.15
33.2
34.14
32.25
Carbophenothion
32.56
34.49
36.69
36.26
35.48
γ-Chlordane
28.54
30.72
31.77
31.91
30.91
α-Chlordane
29.06
30.9
32.19
32.43
31.21
Chlorfenvinphos
27.61
29.34
31.47
31.15
31.02
4-Chloro-3-nitrobenzotrifluoride (SS)
7.66
8.55
8.83
8.59
10
Chlorobenzilate
31.28
32.82
34.03
34.27
33.78
Chloroneb
15.53
16.87
18.68
19.37
17.92
Chloropropylate
31.28
32.92
34.48
34.85
33.98
Chlorothalonil
22.16
26.44
28.06
28.08
27.73
Chlorpyrifos
25.84
27.52
29.31
28.86
28.36
Chlorpyrifos-methyl
23.86
25.64
27.79
27.55
26.7
Coumaphos
38.74
41.4
44.01
43.52
 
Crotoxyphos
28.16
29.48
32.13
32.09
31.89
Dacthal
26.11
27.55
29.13
29.61
28.82
p,p'-DDD
31.62
33.93
35.6
35.92
34.6
p,p'-DDE
29.97
31.82
33.2
33.53
31.5
p,p'-DDT
33.07
35.12
36.71
37.05
35.37
Demeton-O
17.91
18.97
20.58
20.13
20.49
Demeton-S
20.52
21.83
24.03
23.67
24.05
Diallate A
19.88
20.87
21.97
22.31
21.42
Diallate B
20.26
21.35
22.4
22.71
22.1
Diazinon
21.99
23.05
24.59
24.21
24.16
1,2-Dibromo-3-chloropropane
6.63
7.11
8.05
8.47
7.9
α,α-Dibromo-m-xylene
16.72
18.27
20.6
21.4
19.41
Dibutylchlorendate(SS)
36.32
37.75
38.67
38.74
39.65
Dichlofenthion
23.64
25.07
26.58
26.02
26.02
Dichlorvos
9.31
9.93
11.53
11.39
12.45
Dicrotophos
19.12
20.58
23.77
23.98
24.66
Dieldrin
30.14
32.03
33.59
33.9
32.16
Dimethoate
20.52
22.32
25.8
26.02
26.7
Dioxathion
21.41
22.78
25.53
25.49
24.8
Disulfoton
22.37
23.68
25.53
25.09
24.95
Endosulfan I
29.06
30.95
32.37
32.61
30.72
Endosulfan II
31.39
34.11
36.04
36.36
34.97
Endosulfan sulfate
32.88
35.74
37.84
38.13
38.91
Endrin
31
32.92
34.89
35.35
32.97
Endrin aldehyde
31.96
34.57
37
37.52
37.01
Endrin ketone
34.68
37.26
40.23
40.99
41.57
EPN
34.86
37.04
39.61
39.26
41.19
Ethion
31.55
33.09
35.39
35.11
34.85
Ethoprop
18.47
19.6
21.42
21.02
21.29
Ethylparathion
26.17
28.09
29.94
29.36
30.1
Famphur
32.38
34.38
37.69
37.72
39.69
Fenitrothion
25.19
26.96
29.47
29.22
29.36
Fensulfothion
31.25
33.31
36.44
36.36
37.1
Fenthion
26.02
27.62
30.25
30.22
29.07
Fonofos
21.76
23.19
25.29
25.03
24.41
Heptachlor
24.52
25.98
26.92
27.11
25.69
Heptachlor epoxide
27.59
29.32
30.76
31.07
29.68
Hexachlorobenzene
20.12
22.13
22.91
23.01
21.03
Hexachlorocyclopentadiene
11.42
11.94
12.08
12.25
11.6
Hexamethylphosphoramide
10.25
11.1
12.74
12.54
15.46
Isodrin
27.17
28.71<
30.1
30.48
28.44
Kelthane
35.37
37.59
39.54
39.91
 
Kelthane Decomp. Product
26.57
28.71
30.35
30.68
 
Leptophos
36.17
38.15
40.73
40.55
40.94
Malathion
25.62
26.96
29.31
29.13
29.2
Merphos
30.01
31.47
32.94
32.22
31.89
Methoxychlor
35.22
37.05
39.54
40.31
38.91
Methylparathion
24.14
26.14
28.56
28.22
28.57
Mevinphos
13.5
14.48
16.72
16.69
17.56
Mirex
37.09
39.12
40.67
40.99
37.96
Monocrotophos
19.55
21.15
24.7
24.97
26.5
Naled
18.86
20.15
22.72
22.7
22.41
trans-Nonachlor
29.18
31.15
31.91
31.91
31.29
Pentachloronitrobenzene (IS)
21.22
23.47
24.84
25.08
23.64
cis-Permethrine
38.62
40.27
42.12
42.53
42.25
trans-Permethrine
38.89
40.57
42.42
42.8
46.52
Perthane
31
32.67
34.29
34.68
32.51
Phorate
19.79
21.02
22.85
22.45
22.33
Phosmet
34.73
37.24
40.83
40.91
42.38
Phosphamidon
23.56
23.4
27.79
27.72
28.85
Propachlor
17.88
19.32
21.17
21.81
21.74
Ronnel
24.58
26.14
27.95
27.55
27.1
Simazine
20.91
22.65
25.05
24.87
25.23
Stirophos
28.66
30.5
32.94
32.69
32.27
Sulfotep
19.37
20.42
22.46
22.27
22.56
TEPP
16.76
17.91
20.69
20.74
21.98
Terbufos
21.64
22.78
24.23
23.67
23.91
Terrazole
14.17
15.12
16.6
17.25
15.86
Tetrachloro-m-xylene (SS)
18.12
19.81
20.24
20.32
18.7
Thionazin
17.72
18.97
21.26
21.12
20.85
Tokuthion
29.55
31.19
32.83
32.22
31.67
Trichloronate
26.51
28.09
29.31
28.59
28.57
Trifluralin
19.3
20.35
19.98
19.47
22.15
Tri-o-cresylphosphate
36.64
38.4
40.93
40.83
42.62