Publikation:

Gas Chromatographic Determination of Phosphorus-Containing Pesticide Metabolites via Benzylation

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1979

Autor:innen

Daughton, Christian G.
Alexander, Martin

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-69302
DOI (zitierfähiger Link)
https://doi.org/10.1021/ac50048a014
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access Green

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Biologie: Publikationen
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Published

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Analytical Chemistry. 1979, 51(12), pp. 1949-1953. ISSN 0003-2700. eISSN 1520-6882. Available under: doi: 10.1021/ac50048a014

Zusammenfassung

Mono- and di-protic alkyl and aryl phosphates, phosphonates, and thio analogues were determined in spiked samples of bacterial growth medium and human urine using a new procedure with a detection limit of less than 2 pmol each. The acids were fully protonated by passing the aqueous samples through BioRad AG 50W-X8 (H+) resin and dried thoroughly before refluxing with 3-benzyl-1-p-tolyltriazene in acetone. The benzyl esters that formed partitioned quantitatively into cyclohexane and were determined by gas-liquid chromatography with a flame-photometric detector (phosphorus mode) and a glass column (5% OV-210 on 80/100 mesh Gas Chrom 0). Linear recovery curves were obtained. Inorganic orthophosphate did not interfere with urine analysis, although it could be easily removed by Ca(OH)2 precipitation.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

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ISO 690DAUGHTON, Christian G., Alasdair M. COOK, Martin ALEXANDER, 1979. Gas Chromatographic Determination of Phosphorus-Containing Pesticide Metabolites via Benzylation. In: Analytical Chemistry. 1979, 51(12), pp. 1949-1953. ISSN 0003-2700. eISSN 1520-6882. Available under: doi: 10.1021/ac50048a014
BibTex
@article{Daughton1979Chrom-7728,
  year={1979},
  doi={10.1021/ac50048a014},
  title={Gas Chromatographic Determination of Phosphorus-Containing Pesticide Metabolites via Benzylation},
  number={12},
  volume={51},
  issn={0003-2700},
  journal={Analytical Chemistry},
  pages={1949--1953},
  author={Daughton, Christian G. and Cook, Alasdair M. and Alexander, Martin}
}
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