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Article Dans Une Revue Journal de Physique IV Proceedings Année : 1994

Comparing the analytical potential of PAS, PDS, TL and PTPS for trace detection of pesticides in water

W. Faubel
  • Fonction : Auteur
T. Schulz
  • Fonction : Auteur
B. Seidel
  • Fonction : Auteur
E. Steinle
  • Fonction : Auteur
H. Ache
  • Fonction : Auteur

Résumé

Performances of four related techniques i.e., photoacoustic spectroscopy, photothermal deflection, thermal lensing, and photothermal phase shift spectroscopy have been compared to the conventional beam transmittance spectrophotometry. This concerns to the analytical potential in studies of environmental pollutants. Solutions of pesticides in water are used as specimens in this study. Spectrophotometric, photoacoustic and thermal lensing techniques are also used as detector behind HPLC loaded with a mixture of methanol and water. Thermal lensing and photothermal deflection spectroscopy appear superior in determination of environmental pollutants. The detection limit obtained for pesticides is 0.1µg/Kg.

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jpa-00253179 , version 1 (04-02-2008)

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W. Faubel, T. Schulz, B. Seidel, E. Steinle, H. Ache. Comparing the analytical potential of PAS, PDS, TL and PTPS for trace detection of pesticides in water. Journal de Physique IV Proceedings, 1994, 04 (C7), pp.C7-531-C7-534. ⟨10.1051/jp4:19947125⟩. ⟨jpa-00253179⟩

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