Oil Contamination
Oil Contamination - Related Videos
13:19
Enhanced Oil Recovery using a Combination of Biosurfactants
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Cited by 2 •
2022
We illustrate the methods involved in screening and identification of the biosurfactant producing microbes. Methods for chromatographic characterization and chemical identification of the biosurfactants, determining the industrial applicability of the biosurfactant in enhancing residual oil recovery are also presented.
01:16
Contaminants and Errors
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2024
Effective sample preparation is crucial for accurate and reliable laboratory analysis. During this process, two significant sources of error can arise: concentration bias from improper sample splitting and contamination caused by methods used to reduce particle size, such as grinding or homogenization. Identifying and minimizing these potential errors is crucial to ensuring the validity of the analysis. Another key consideration is determining the appropriate number of samples required to...
01:29
Sources of Food Contamination
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2026
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
10:20
Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
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Cited by 14 •
2015
Integration of microalgal cultivation with industrial flue gas will ultimately introduce heavy metals and other inorganic compounds into the growth media. This study presents a procedure used to determine the end fate and impact of heavy metals and inorganic contaminants on the growth of Nannochloropsis salina grown in photobioreactors.
08:37
Measurement of H2S in Crude Oil and Crude Oil Headspace Using Multidimensional Gas Chromatography, Deans Switching and Sulfur-selective Detection
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Cited by 11 •
2015
A multidimensional gas chromatography method for the analysis of dissolved hydrogen sulfide in liquid crude oil samples is presented. A Deans switch is used to heart-cut light sulfur gases for separation on a secondary column and detection on a sulfur chemiluminescence detector.
FAQs
Oil contamination can move through several linked pathways: lubricant or equipment contact, packaging or handling materials, and external exposure. Once transferred, it may spread across a surface or become associated with a specimen or product, changing its composition or behavior. This pathway-based view makes source identification important because removing the source helps limit further transfer.
The origin of the oil matters because contamination may be petroleum-derived, mineral, biological, or another oily substance. That range means the finding should not be treated as a single uniform event. Identifying the material category can connect it to likely sources, such as equipment, packaging, handling, or the surrounding environment, and support focused control.
Transferred oil can alter the composition of a specimen without eliminating the specimen itself. That change can undermine the reliability of diagnostic outcomes, which is why specimen handling and environmental control matter alongside testing. In clinical and laboratory settings, the concern is not only whether a sample is present, but whether its composition remains suitable for its intended diagnostic use.
The response depends on where the material is found. On a surface, the priority is to limit spread and remove the external source; in a medical device, attention also centers on whether intended performance has been compromised. Equipment maintenance and controlled handling address recurring transfer pathways, while analytical testing helps establish whether contamination affects the item or sample.
An investigation can identify the affected product, specimen, device, surface, or environment; review possible transfer sources; apply analytical testing; and then remove or control the source. Equipment maintenance and controlled handling support prevention after the finding. This sequence links detection with corrective action rather than treating testing as the only response.
Within pharmaceutical quality assurance, analytical testing provides evidence that an oily substance is present or that product composition may have changed. Source removal, equipment maintenance, and controlled handling then help prevent repeated transfer from processing equipment, lubricants, packaging, or handlers. The practical outcome is stronger confidence that the product retains its intended quality and safety.
Sterile processing must account for both the presence of oil and its movement across surfaces. Contamination from equipment, lubricants, handling materials, or outside sources can spread beyond its initial point. Controlled handling, maintained equipment, and source removal help interrupt that pathway, while analytical testing supports investigation when a surface or processed item is questioned.