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Determination of the pesticides 2,4-d, 2-naphthoxy- acetic acid, and silvex by low temperature phosphorimetry

Bestimmung der Pesticide 2,4-D, 2-Naphthoxyessigsäure und Silvex

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Summary

Simple, direct, and sensitive low temperature phosphorimetric methods for the determination of 2,4-D, 2-naphthoxyacetic acid, and Silvex in EPA solvent are described. The minimum detectable amounts are 0.1 p. p. m. for each pesticide. The ranges of linearity of the analytical calibration graphs are 0.1–40, 0.3-60, and 0.5- 80 p. p. m. for Silvex, 2-naphthoxyacetic acid, and 2,4-D respectively. The procedure for 2,4-D has been applied to the analysis of a solid commercial formulation.

Zusammenfassung

Einfache, direkte und empfindliche phosphorimetrische Methoden zur Bestimmung der genannten Pesticide bei niedriger Temperatur in dem Lösungsmittel EPA (Diethylether-Isopentan-abs. Alkohol, 5∶5∶2) wurden beschrieben. Die geringste nachweisbare Menge beträgt für jedes dieser Pesticide 0,1 ppm. Die Eichkurven verlaufen bei 0,1-40 ppm Silvex, 0,3-60 ppm 2-Naphthoxyessigsäure und 0,5-80 ppm 2,4 D geradlinig. Das Verfahren für 2,4 D wurde für die Analyse eines festen Handelsproduktes angewendet.

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Trautwein, N.L., Guyon, J.C. Determination of the pesticides 2,4-d, 2-naphthoxy- acetic acid, and silvex by low temperature phosphorimetry. Mikrochim Acta 79, 413–418 (1983). https://doi.org/10.1007/BF01204824

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  • DOI: https://doi.org/10.1007/BF01204824

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