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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