SYMPOSIA PAPER Published: 01 January 1985
STP36360S

Determination of the Oil Content of Soils

Source

The precision and accuracy of acidification followed by Soxhlet extraction with trichlorotrifluoroethane to estimate the oil and grease content of oil-contaminated soils was determined. The amounts of oil and grease were determined gravimetrically after solvent extraction. Stock oil-soil mixtures prepared with vegetable oil, No. 2 fuel oil, No. 6 fuel oil, motor oil, and an oily waste were analyzed. The coefficient of variation for all oil-soil mixtures analyzed never exceeded 4%. The percentage of recovery varied from 68% for No. 2 fuel oil to 102% for motor oil. The results indicate that this method is precise and results in reasonable recoveries when used to measure the oils tested.

Author Information

Martin, JH
Cornell University, Ithaca, NY
Loehr, RC
University of Texas, Austin, TX
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Details
Developed by Committee: D34
Pages: 7–14
DOI: 10.1520/STP36360S
ISBN-EB: 978-0-8031-4950-2
ISBN-13: 978-0-8031-0430-3