Supercritical fluid extraction of atrazine and polar metabolites from sediments followed by confirmation with LC-MS
Article Abstract:
Atrazine is a widely used herbicide used to control the growth of grasses in corn fields. The environmental impact of atrazine depend on its concentration and degradation products. Supercritical fluid extraction followed by liquid chromatography-mass spectrometry techniques reveal that atrazine is chemically metabolized to produce only one type of metabolite which is hydroxyatrazine. During degradation, the phytotoxicity of atrazine is reduced to zero level, suggesting that atrazine is not a persistent herbicide.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1996
User Contributions:
Comment about this article or add new information about this topic:
Contribution of hydroxulated atrazine degradation products to the total atrazine load in Midwestern streams
Article Abstract:
Hydroxylated atrazine degradation products (HADPs) such as hydroxyatrazine (HA), deethylhydroxyatrazine (DEHA), deisopropylatrazine (DIA) and dethylatrazine (DEA) accounted for nearly 60% of the total atrazine load in northern Missouri streams. HA accounted for nearly 87-100% of the total HADP detected. DEHA and DIA accounted for 0 to 58% and 0%, respectively. A combination of desorption from stream sediments and dissolved-phase transport appears to govern HADP concentrations in streams.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
Hydroxylated atrazine degradation products in a small Missouri stream
Article Abstract:
Reverse-phase high-performance liquid chromatography (HPLC) methods were used to detect hydroxylated atrazine degradation products (HADP) in streamwater. HADPs in the samples were confirmed by HPLC/mass spectrometry. Results revealed that hydroxyatrazine occurs in high frequency and concentration, suggesting that HADPs have a high potential to contaminate surface water.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1995
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Normalization and elemental sediment contamination in the coastal United States. Solubility of CdS (greenockite) in sulfidic waters at 25 degrees centigrade
- Abstracts: Bioconcentration of polycyclic aromatic compounds from sediments to muscle of finfish. Sensing the fugacity of hydrophobic organic chemicals in aqueous systems
- Abstracts: Simultaneous complexation of organic compounds and heavy metals by a modified cyclodextrin. Cyclopentanol-enhanced solubilization of polycyclic aromatic hydrocarbons by cyclodextrins
- Abstracts: Surfactant-enhanced dissolution of phenanthrene into water for laminar flow conditions. Decomposition of tetrachloro-1,4-benzoquinone (p-chloranil) in aqueous solution
- Abstracts: Soil chemistry effects and flow prediction in electroremediation of soil. Determination of pentachlorophenol in water and soil by a magnetic particle-based enzyme immunoassay