Gas chromatography with surface ionization detection of nitro pesticides
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Seiji Takahashi
,
Futoshi Nagamura
Abstract
A surface ionization gas chromatographic detector, based upon positive surface ionization, was used in capillary gas chromatography to sensitively and selectively detect nitro pesticides: pendimethalin, trifluralin, flumetralin. Higher sensitivity (better detection limit), substance specificity, and advantageous applicability are reported. Sensitivity to pendimethalin, trifluralin, and flumetralin was 1.4 C g−1, 1.1 C g−1, and 1.0 C g−1, respectively, with the linear range of operation greater than 1 × 105 for these compounds. The minimum detectable level was in the range of 10−13 g s−1. Compared with an atomic emission detector, SID provided a 110 times better detection limit for trifluralin.
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© 2009 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- Magnetic nano- and microparticles in biotechnology
- Application of gas chromatography-mass spectrometry in research of traditional Chinese medicine
- Copper determination using ICP-MS with hexapole collision cell
- Reactivation of a palladium catalyst during glucose oxidation by molecular oxygen
- Robust stabilization of a chemical reactor
- Influence of production progress on the heavy metal content in flax fibers
- In vitro antifungal and antibacterial properties of thiodiamine transition metal complexes
- Synthesis, characterization, and antimicrobial activity of new benzoylthiourea ligands
- Investigation of DNA cleavage activities of new oxime-type ligand complexes and molecular modeling of complex-DNA interactions
- Characterization of mechanochemically synthesized lead selenide
- Hydroxyapatite modified with silica used for sorption of copper(II)
- Corrosion resistance of zinc electrodeposited from acidic and alkaline electrolytes using pulse current
- Ternary composites of multi-wall carbon nanotubes, polyaniline, and noble-metal nanoparticles for potential applications in electrocatalysis
- Synthesis of 2-[3-(trifluoromethyl)phenyl]furo[3,2-c]pyridine derivatives
- Key side products due to reactivity of dimethylmaleoyl moiety as amine protective group
- Comparative DFT study on the α-glycosidic bond in reactive species of galactosyl diphosphates
- Gas chromatographic retention times prediction for components of petroleum condensate fraction
- Gas chromatography with surface ionization detection of nitro pesticides
- Clean fuel-oriented investigation of thiophene oxidation by hydrogen peroxide using polyoxometalate as catalyst
- Aqueous foam stabilized by polyoxyethylene dodecyl ether
