Photocatalytic Degradation of Pesticides in Natural Water: Effect of Hydrogen Peroxide

Table 3

Results of the methodology validation of the pesticide analysis.

Pesticide	Quantification limit (μg L^−1)		Calibration interval (μg L^−1)	Validity interval (μg L^−1)	Recovery interval (%)
	Instrumental step	Full method			Instrumental step	Full method
Isoproturon	20	0.030	20–500	0.030–300	75–130	63–110
Diuron	20	0.030	20–500	0.030–300	82–128	70–123
3,4-Dichloroaniline	20	0.030	20–500	0.030–300	88–130	47–106
4-Isopropylaniline	20	0.030	20–500	0.030–300	80–130	60–125
Desethylatrazine	20	0.030	20–500	0.030–300	76–130	80–129
Trifluralin	20	0.015	20–500	0.030–300	70–130	70–127
Dimethoate	20	0.030	50–500	0.030–300	66–124	54–137
Simazine	50	0.030	20–500	0.030–600	75–135	64–127
Prometon	20	0.030	20–500	0.030–300	76–124	0–125
Atrazine	200	0.100	200–5000	0.100–300	78–130	75–127
Propazine	20	0.015	20–500	0.015–300	86–130	73–127
Terbuthylazine	20	0.015	20–500	0.015–300	79–130	83–128
Parathion methyl	50	0.030	50–500	0.030–300	78–139	72–130
Parathion ethyl	20	0.030	20–500	0.030–300	74–122	64–128
Alachlor	20	0.015	20–500	0.015–300	75–125	70–124
Ametryn	20	0.030	20–500	0.030–300	78–130	0–116
Prometryn	20	0.030	20–500	0.030–300	80–120	17–116
Terbutryn	20	0.030	20–500	0.030–300	80–120	13–114
Chlorpyrifos	20	0.015	20–500	0.015–300	75–120	73–116
Chlorfenvinfos	20	0.015	20–500	0.015–300	76–130	70–126
HCHs	20	0.015	20–500	0.015–300	84–124	70–120
Hexachlorobenzene	20	0.030	20–500	0.030–300	70–130	74–136
Heptachlor	20	0.015	20–500	0.015–300	75–130	58–113
Heptachlor epoxide A	20	0.015	20–500	0.015–300	85–125	62–112
Heptachlor epoxide B	20	0.015	20–500	0.015–300	84–130	58–113
Aldrin	20	0.015	20–500	0.015–300	85–125	64–126
4,4′-Dichlorobenzophenone	20	0.015	20–500	0.015–300	75–120	68–126
Isodrin	20	0.015	20–500	0.015–300	85–125	66–120
α-Endosulphan	20	0.015	20–500	0.015–300	70–125	70–93
pp′-DDE	20	0.015	20–500	0.015–300	89–122	64–107
Dieldrin	20	0.015	20–500	0.015–300	70–125	62–120
Endrin	20	0.015	20–500	0.015–300	80–125	74–122
pp′-DDD + op′-DDT	40	0.030	40–1000	0.030–600	79–125	66–139
Endosulphan-sulphate	20	0.015	20–500	0.015–300	83–125	73–126
pp′-DDT	20	0.030	20–500	0.030–300	76–130	50–120
Dicofol	50	0.030	50–500	0.030–300	80–148	63–136
Methoxychlor	20	0.015	20–500	0.015–300	77–126	75–130
Metholachlor	20	0.015	20–500	0.015–300	76–115	73–128
Molinate	20	0.015	20–500	0.015–300	91–130	75–113
Tetradifon	20	0.015	20–500	0.015–300	85–130	70–116