Determination of dinitroaniline herbicides in environmental samples by gas chromatography

García-Valcárcel, Ana I.; Sánchez‐Brunete, Consuelo; Martínez, L.; Tadeo, José L.

doi:10.1016/0021-9673(95)00375-4

Cited by 23 publications

(3 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Dinitramine is detected mostly using chromatographic technology, such as gas chromatography, 3,4 electron captured gas chromatography, 5 gas chromatography mass-spectrometry with solid-phase micro extraction, 6 and high-performance liquid chromatography; 7 computational analysis of the electrostatic potential, 8 and electrochemistry 9 has also been reported for the detection of dinitramine. However, few electrochemical techniques, which are oen simple and less expensive, have been used to determine dinitramine.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe₃O₄/SiO₂–(CH₂)₃–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Irandoust

Haghighi

2016

RSC Adv.

View full text Add to dashboard Cite

show abstract

Section: Introductionmentioning

confidence: 99%

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe₃O₄/SiO₂–(CH₂)₃–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Irandoust

Haghighi

2016

RSC Adv.

View full text Add to dashboard Cite

show abstract

“…Several methods for analysis of pendimethalin utilizing gas chromatography (GC) with electron capture detector (ECD), nitrogen-phosphorus detector (NPD), or mass selective detector (MSD) have been reported (5)(6)(7)(8)(9)(10). Column cleanup and use of florisil have been reported by several authors (7,(11)(12)(13).…”

Section: Introductionmentioning

confidence: 99%

Analysis of Pendimethalin Residues in Fruit, Nuts, Vegetables, Grass, and Mint by Gas Chromatography

Engebretson

Hall

Hengel

et al. 2001

J. Agric. Food Chem.

View full text Add to dashboard Cite

Pendimethalin [N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine], in the formulation of Prowl (a commercial herbicide), was applied to various crops. Analysis of pendimethalin and its metabolite [4(1-ethylpropyl)amino-2-methyl-3,5-dinitrobenzyl alcohol] was accomplished by utilizing liquid-liquid partitioning, gel permeation chromatography (GPC) for nuts and mint, solid-phase extraction (SPE) cleanup, and gas chromatography (GC) with a nitrogen--phosphorus detector (NPD). Method validation recoveries for fruits, nuts, vegetables, grass, and mint are given for both compounds. Pendimethalin average recoveries ranged from 71% to 126% over two levels of fortification. Pendimethalin metabolite average recoveries ranged from 69% to 123% over two levels of fortification. The quantitation limit for all crops except mint was 0.050 ppm. The quantitation limit for mint and mint oil was 0.10 ppm. Residues greater than the limit of quantitation were found for pendimethalin in apple pomace, fresh and dry fig, grass screenings, mint oil, almond hulls, green onion, and tomato pomace (wet and dry). Residues greater than the limit of quantitation were found for pendimethalin metabolite in grass screenings, grass straw, and almond hulls. All other crop analyses for pendimethalin and its metabolite were below the limit of quantitation.

show abstract

“…Existing analytical methods (Foreman et al, 1993;Riley and Keese, 1996;Baez et al, 1997;Miliadis, 1998) for aqueous samples primarily deal with determination of trifluralin as one analyte among multiple types of herbicide residues and are not necessarily optimized for the recovery of trifluralin. Trifluralin is generally extracted from soil using an organic solvent such as ethyl acetate (Garcia-Valcarcel et al, 1996), acetonitrile (Yordy et al, 1988;An and Qian, 1992;Krause and Niemczyk, 1992), acetone (Balinova and Balinov, 1991), methanol (Lu and Xu, 1991), methylene chloride (Duc, 1992), or diethyl ether (Cabras et al, 1991) either by sonication (Lopez-Avila et al, 1991), mechanical shaking (Garcia-Valcarcel et al, 1996), or Soxhlet extraction (Tutarli et al, 1995). The extract is then cleaned by Florisil (Lu and Xu, 1991;D'Amato et al, 1993;Garcia-Valcarcel et al, 1996) or solid-phase extraction (SPE) (Yordy et al, 1988;Krause and Niemczyk, 1992;Cabras et al, 1991).…”

Section: Introductionmentioning

confidence: 99%

Comparison among Soil Series and Extraction Methods for the Analysis of Trifluralin

Garimella

Stearman

Wells

2000

J. Agric. Food Chem.

View full text Add to dashboard Cite

Accurate analytical procedures are needed to improve understanding of the fate and transport of trifluralin, a chemical widely used as a herbicide. Analytical determination of trifluralin is challenging due to its hydrophobic, yet volatile, character and its tendency to degrade into numerous metabolites. In this research, efficient analytical methods for fortified and field-incurred soils were developed for simultaneous quantitation of trifluralin, I [2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine, CAS Registry No. 1582-09-8; CAS Registry No. have been provided by the author], a trifluralin metabolite, II [2,6-dinitro-N-propyl-4-(trifluoromethyl)benzenamine, CAS Registry No. 2077-99-8], and a related trifluoromethyldinitroaniline isomer of trifluralin, III [2,4-dinitro-N,N-dipropyl-6-(trifluoromethyl)benzenamine, CAS Registry No. 23106-20-9]. Extractions of trifluralin (0.5 and 2.5 microg/g) from silt loam, sandy loam, and silty clay soils were compared. A method was developed for the supercritical fluid extraction of trifluralin from soil using modified supercritical carbon dioxide, and the effects of cosolvent, pressure, and flow rate on recovery were evaluated. Supercritical fluid extraction was compared to liquid vortex extraction and automated Soxhlet (soxtec) extraction. Solid-phase extraction was examined for purifying soil extracts. Protocols were developed for analysis of extracts by gas and/or liquid chromatography. Immunoassay was investigated but proven to be impractical for this analysis. Soil properties and extraction methods were observed to affect the level of coextracted background interferences. Trifluralin exhibited concentration-dependent recovery regardless of soil series or extraction method.

show abstract

Determination of dinitroaniline herbicides in environmental samples by gas chromatography

Cited by 23 publications

References 11 publications

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe₃O₄/SiO₂–(CH₂)₃–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe₃O₄/SiO₂–(CH₂)₃–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Analysis of Pendimethalin Residues in Fruit, Nuts, Vegetables, Grass, and Mint by Gas Chromatography

Comparison among Soil Series and Extraction Methods for the Analysis of Trifluralin

Contact Info

Product

Resources

About

Determination of dinitroaniline herbicides in environmental samples by gas chromatography

Cited by 23 publications

References 11 publications

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe3O4/SiO2–(CH2)3–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe3O4/SiO2–(CH2)3–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Analysis of Pendimethalin Residues in Fruit, Nuts, Vegetables, Grass, and Mint by Gas Chromatography

Comparison among Soil Series and Extraction Methods for the Analysis of Trifluralin

Contact Info

Product

Resources

About

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe₃O₄/SiO₂–(CH₂)₃–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water

Fabrication of a new modified gold electrode based on gold nanoparticles and nanomagnetic Fe₃O₄/SiO₂–(CH₂)₃–SH core shell for electrochemical evaluation and determination of dinitramine herbicide in water