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Table 1 Values of limit of detection for Xoconostle analysis

From: Presence of organochlorine pesticides in xoconostle (Opuntia joconostle) in the central region of Mexico

Pesticides Retention times
(min)
Limit of detection
(ng/g)
Recovery
(%)
Standard deviation
(+/−)
Alpha-HCH 9.83 0.10 90 7
Beta-HCH 10.64 0.10 88 5
Gamma-HCH 10.87 0.16 85 8
Delta-HCH 11.74 0.21 80 6
Heptachlor 13.92 0.30 90 9
Aldrin 15.81 0.30 88 4
Heptachlor epoxide 18.42 0.22 89 10
Endosulfan I 21.14 0.20 85 2
DDE 23.39 0.18 95 8
Dieldrin 23.65 0.15 92 7
Endrin 25.31 0.10 90 9
Endosulfan II 26.12 0.12 85 5
DDD 27.11 0.18 90 6
Endrin aldehyde 27.42 0.13 82 5
Endosulfate sulfate 28.73 0.20 95 2
DDT 29.05 0.30 85 9
  1. Note: HCH = Hexachlorociclohexane, DDE = 1,1-dichloro-2,2-bis (4 chlorophenyl) ethylene, DDT = 1,1,1-trichloro-2,2-bis (4 chlorophenyl) etano, DDD = dichlorodiphenyldichloroetane