2006
Pressurised solvent extraction of nitrated derivatives of polycyclic aromatic hydrocarbons from roadside dust
PRYČEK, Jiří; Miroslav CIGANEK a Zdeněk ŠIMEKZákladní údaje
Originální název
Pressurised solvent extraction of nitrated derivatives of polycyclic aromatic hydrocarbons from roadside dust
Název česky
Extrakce nitroderivátů polycyklických aromatických uhlovodíků z prachu vozovky pomocí zrychlené extrakce rozpouštědlem
Autoři
PRYČEK, Jiří; Miroslav CIGANEK a Zdeněk ŠIMEK
Vydání
International Journal of Environmental Analytical Chemistry, Taylor and Francis, 2006, 1029-0397
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10406 Analytical chemistry
Stát vydavatele
Česká republika
Utajení
není předmětem státního či obchodního tajemství
Kód RIV
RIV/00216224:14310/06:00016706
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000236700500002
Klíčová slova anglicky
Nitro-PAH; Pressurised solvent extraction; Roadside dust; Silica gel; Clean-up
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 31. 1. 2008 15:56, doc. RNDr. Zdeněk Šimek, CSc.
V originále
An analytical method based upon the pressurised solvent extraction and gas chromatography and mass spectrometry (GC-MS) for analysis of nitrated derivatives of polycyclic aromatic hydrocarbons (nitro-PAHs) in roadside dust has been developed. Five nitro-PAHs (1-nitronaphthalene, 1-nitropyrene, 9-nitroanthracene, 2-nitrofluorene, 6-nitrochrysene) were chosen for this study because of their variable physical properties and effect on human health. Experiments with spiked inert matrix were used for the best extraction conditions finding. Different extraction conditions (temperature, pressure, solvents and duration of extraction cycle) were examined. The highest recoveries were observed at the extraction pressure of 14 MPa, temperature of 100C and two cycles of 5 min extraction time, when dichloromethane was used as an extraction solvent. These conditions were applied to the extraction of nitro- PAHs from roadside dust. After extraction the nitro-PAHs fraction was isolated by the silica gel column chromatography. The GC-MS detector was used for analyses of the extracts. Recoveries of nitro-PAHs after extraction from roadside dust ranged from 60% for 9-nitroanthracene to 108% for 6-nitrochrysene.
Česky
An analytical method based upon the pressurised solvent extraction and gas chromatography and mass spectrometry (GC-MS) for analysis of nitrated derivatives of polycyclic aromatic hydrocarbons (nitro-PAHs) in roadside dust has been developed. Five nitro-PAHs (1-nitronaphthalene, 1-nitropyrene, 9-nitroanthracene, 2-nitrofluorene, 6-nitrochrysene) were chosen for this study because of their variable physical properties and effect on human health. Experiments with spiked inert matrix were used for the best extraction conditions finding. Different extraction conditions (temperature, pressure, solvents and duration of extraction cycle) were examined. The highest recoveries were observed at the extraction pressure of 14 MPa, temperature of 100C and two cycles of 5 min extraction time, when dichloromethane was used as an extraction solvent. These conditions were applied to the extraction of nitro- PAHs from roadside dust. After extraction the nitro-PAHs fraction was isolated by the silica gel column chromatography. The GC-MS detector was used for analyses of the extracts. Recoveries of nitro-PAHs after extraction from roadside dust ranged from 60% for 9-nitroanthracene to 108% for 6-nitrochrysene.
Návaznosti
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