Insecticides and herbicides in soils 97
Table 3.6 Methods for the determination of miscellaneous herbicides.
Herbicide
Extraction method
Comments
Reference
26 dichloro dichloronitrile
Toluene
Gas chromatography,
182
Paraquat
limit of detection: µg/kg
Paraquat
–
Automatic continuous flow
183–185
spectrometry, limit of
detection: µg/m
Paraquat,Trifluralin
–
Gas chromatography
186
Diphenamid
Paraquat, Diquat
Dichloromethane
Gas chromatography
187
Paraquat, Diquat
–
Catalytic dehydrogenation
188–191
then gas chromatography
Paraquat
–
Enzyme-linked immunoas192
say, limit of detection:
0.2 mg/kg
Acarol
–
Gas liquid radio chromato193–194
(isopropanol-4,4
graphy of
14 C herbicide
Dibromobenzylate)
Dicloram
Ethyl ether
Pyrolysis then electron
80
(4-amino-3,5,6capture gas chromatography
trichloropicolinic acid)
Dicamba (2-methoxy–
High-resolution gas
3,6-dichlorobenzoic acid)
chromatography-mass
spectrometry, limit of
detection: low ppb
Dicamba
Aminopropyl weak
High-performance liquid
195
ion exchange and
chromatography
C 18 solid-phase
extraction
Bromacil, Lenticil
Water extraction
Gas chromatography with
196
Terbacil
then chloroform,
NP detection, limit of
extraction
detection: 20 µg/kg
Bromacil, Lenticil
Miscellaneous
Miscellaneous methods
197–206
Terbacil
Fluazifop-butyl,
MethanolLiquid chromatography
207–208
Fluazifop
hydrochloric acid
detection at 225 and 270 nm
dichloromethane
Fluazifop-butyl, (2–
Gas chromatography
209
(4-5 trifluoromethyl 2Pydriyloxy phenoxy
propiorate) Fluazifop
Fluazifop-butyl
Phenyl- and cyanoIon-pair high-performance
210
Fluazifop
bound silica gel
liquid chromatography using
solid-phase
phenyl columns
extraction column
Diclofop-methyl
–
Gas chromatography
211, 212
and Diclofop
(Continued)