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handle: 10261/59470
[ES]: Mediante análisis por cromatografía de gases en conexión con espectrometría de masas (CG/EM) se evalúa la posible acumulación en suelos de hidrocarburos policíclicos aromáticos (HPA's) generados durante los incendios de un pinar y de una rastrojera. Tras la aplicación de un procedimiento simple y reproducible para la concentración de HPA's en extractos de los suelos quemados, los homólogos más abundantes detectados en los mismos por CG/EM fueron los derivados alquilados de naftaleno y fenantreno, mientras que compuestos más condensados, incluidos en la lista de contaminantes prioritarios de la EPA, sólo se encontraron en cantidades traza.
[EN]: Gas chromatographic-mass spectrometric (GC/MS) analysis was applied to the evaluation of the potential accumulation in soils of polynuclear aromatic hydrocarbons (PAH's) after a pine forest fire and a controlled burning of a stubble field. A simple clean-up procedure was applied for the concentration of PAH's in the burned soil extracts. The most abundant homologs detected by GC/MS were alkylated derivatives of naphthalene and phenanthrene, while more condensed PAH's, included in the EPA priority pollutant list, were present only in minor amounts.
8 páginas, 2 figuras, 1 tabla, 13 referencias.-- Comunicación presentada en la citada Bienal, celebrada en septiembre de 1989, Sevilla, España.
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