A laboratory study conducted to determine effective methods for detecting C10 to C40 hydrocarbons at naturally occurring oil seeps in marine sediments. The results indicate a commercially available method using hexane extraction and gas chromatography is effective for recognizing migrated hydrocarbons at concentrations between 50 to 5,000 ppm. The dataset is hosted by the Australian Ocean Data Network and was last updated on 2026-05-04.
Use Cases
- Validate gas chromatography methods for hydrocarbon screening based on the described 50-5,000 ppm concentration range.
- Compare detection techniques for biodegraded versus unbiodegraded oil charges based on the described use of n-alkanes and Unresolved Complex Mixture (UCM).
- Assess the effectiveness of GC-MS for low-concentration screening below 50 ppm oil charge as mentioned in the description.
Strengths
- Study defines a specific and validated concentration range of 50 to 5,000 ppm for effective detection.
- Description details distinct analytical approaches for biodegraded and unbiodegraded oil charges.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Laboratory study
- Time Range
- null
- Freshness
- Last updated 2026-05-04 23:14:14.430298; freshness should be verified.
- Geography
- Marine sediments at naturally occurring oil seeps (location unspecified)