An analytical method for quantifying petroleum hydrocarbon fractions in soils, and its associated uncertainties

This paper proposes a method for measuring total petroleum hydrocarbons (TPH) and other hydrocarbon fractions in soils, and discusses its uncertainties. In this method, hydrocarbons are microwave-extracted from the soil and then subjected to solid phase extraction (SPE). The resulting fractions are...

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Bibliographic Details
Published in:Analytical methods 2014-08, Vol.6 (15), p.5527-5536
Main Authors: Jiménez, Oscar Pindado, Pérez Pastor, Rosa M., Segovia, Olga Escolano
Format: Article
Language:English
Subjects:
Aliphatic hydrocarbons
Crude oil
Flame ionization
Hydrocarbons
Mathematical analysis
Soils
Solid phases
Uncertainty
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Summary:This paper proposes a method for measuring total petroleum hydrocarbons (TPH) and other hydrocarbon fractions in soils, and discusses its uncertainties. In this method, hydrocarbons are microwave-extracted from the soil and then subjected to solid phase extraction (SPE). The resulting fractions are analyzed by gas chromatography with flame ionization detection. In tests using reference soil samples of a known TPH content, recoveries were on average 90% for all fractions. The limit of detection for TPH in the tested soils was below 0.2 mg kg −1 . Inter-repetition variation in the quantification of aliphatic hydrocarbons was
ISSN:1759-9660
1759-9679
DOI:10.1039/C4AY00097H