Comparison of various extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons in sewage sludge-amended soils

G. Codina; M. T. Vaquero; L. Comellas; F. Broto-Puig

doi:10.1016/0021-9673(94)87053-5

Comparison of various extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons in sewage sludge-amended soils

G. Codina, M. T. Vaquero, L. Comellas^*, F. Broto-Puig

^*Corresponding author for this work

Department of Analytical and Applied Chemistry

Research output: Indexed journal article › Article › peer-review

40 Citations (Scopus)

Abstract

Different extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons (PAHs) in sewage sludge-amended soil were investigated. Soxhlet plus saponification extraction and silica gel clean-up provided the best results. HPLC with a programmable fluorescence detector performed accurate identification and quantification of PAHs. The initial PAH concentrations in sewage sludge-amended soil ranged from 8 ng/g for benzo[a]fluoranthene to 93 ng/g for phenanthrene, with a total PAH concentration of 417 ng/g. The weathering of PAHs in sludged soil was monitored for a 141-day period. The results indicated that low-molecular-mass PAHs were susceptible to abiotic and biotic loss processes.

Original language	English
Pages (from-to)	21-29
Number of pages	9
Journal	Journal of Chromatography A
Volume	673
Issue number	1
DOIs	https://doi.org/10.1016/0021-9673(94)87053-5
Publication status	Published - 1 Jul 1994

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title = "Comparison of various extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons in sewage sludge-amended soils",

abstract = "Different extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons (PAHs) in sewage sludge-amended soil were investigated. Soxhlet plus saponification extraction and silica gel clean-up provided the best results. HPLC with a programmable fluorescence detector performed accurate identification and quantification of PAHs. The initial PAH concentrations in sewage sludge-amended soil ranged from 8 ng/g for benzo[a]fluoranthene to 93 ng/g for phenanthrene, with a total PAH concentration of 417 ng/g. The weathering of PAHs in sludged soil was monitored for a 141-day period. The results indicated that low-molecular-mass PAHs were susceptible to abiotic and biotic loss processes.",

author = "G. Codina and Vaquero, {M. T.} and L. Comellas and F. Broto-Puig",

note = "Funding Information: We thank the CICYT, Spain, for financial support (NAT91-0340 project) and M.T.V. gratefully acknowledges the support of the CIRIT, Generalitat de Catalunya.",

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T1 - Comparison of various extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons in sewage sludge-amended soils

AU - Codina, G.

AU - Vaquero, M. T.

AU - Comellas, L.

AU - Broto-Puig, F.

N1 - Funding Information: We thank the CICYT, Spain, for financial support (NAT91-0340 project) and M.T.V. gratefully acknowledges the support of the CIRIT, Generalitat de Catalunya.

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Y1 - 1994/7/1

N2 - Different extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons (PAHs) in sewage sludge-amended soil were investigated. Soxhlet plus saponification extraction and silica gel clean-up provided the best results. HPLC with a programmable fluorescence detector performed accurate identification and quantification of PAHs. The initial PAH concentrations in sewage sludge-amended soil ranged from 8 ng/g for benzo[a]fluoranthene to 93 ng/g for phenanthrene, with a total PAH concentration of 417 ng/g. The weathering of PAHs in sludged soil was monitored for a 141-day period. The results indicated that low-molecular-mass PAHs were susceptible to abiotic and biotic loss processes.

AB - Different extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons (PAHs) in sewage sludge-amended soil were investigated. Soxhlet plus saponification extraction and silica gel clean-up provided the best results. HPLC with a programmable fluorescence detector performed accurate identification and quantification of PAHs. The initial PAH concentrations in sewage sludge-amended soil ranged from 8 ng/g for benzo[a]fluoranthene to 93 ng/g for phenanthrene, with a total PAH concentration of 417 ng/g. The weathering of PAHs in sludged soil was monitored for a 141-day period. The results indicated that low-molecular-mass PAHs were susceptible to abiotic and biotic loss processes.

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Comparison of various extraction and clean-up methods for the determination of polycyclic aromatic hydrocarbons in sewage sludge-amended soils

Abstract

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