Separation, isolation, and identification of polycyclic aromatic hydrocarbons (PAHs) in sediments collected from Silver Lake, Deming, Washington

Cover of: Separation, isolation, and identification of polycyclic aromatic hydrocarbons (PAHs) in sediments collected from Silver Lake, Deming, Washington | Rex Robinson

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  • Polycyclic aromatic hydrocarbons.,
  • Lake sediments -- Washington (State) -- Silver Lake.

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Statementby Rex Robinson.
The Physical Object
Pagination1 v. (various pagings) :
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Open LibraryOL13590934M

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@article{osti_, title = {Polyaromatic hydrocarbons in high-boiling petroleum distillates. Isolation by gel permeation chromatography and identification by fluorescence spectrometry}, author = {McKay, J F and Latham, D R}, abstractNote = {The identification of seven polyaromatic ring systems in petroleum is reported.

The ring systems are ,dibenzoperylene; 1,o-phenyleneperylene. @article{osti_, title = {Methods for the isolation and identification of polycyclic aromatic hydrocarbons book identification of polycyclic aromatic hydrocarbons found in complex mixtures and the determination of their possible toxicity by means of a host mediated bioassay technique.

Progress report, July 1, February 1, [Cultured mouse leumemia cell bioassay system]}, author = {Lipsky, S. and Alexander, G. and McMurray, W. and. Separation and characterization of nitrogen heterocycle and hydroxyl aromatic compounds in non-distillable coal-derived liquids Stephen C.

Ruckmick, Robert J. Hurtubise, Howard F. Silver Journal of Chromatography ACited by: The wide majority of the bioremediation studies have focused on aromatic hydrocarbons, especially on Polycyclic Aromatic Hydrocarbons (PAHs) because they are usually the most harmful, being toxic.

Gunther F.A., Buzzetti F. () Occurrence, isolation, and identification of polynuclear hydrocarbons as residues. In: Gunther F.A. (eds) Residue Reviews / Rückstands-Berichte.

Residue Reviews (Residues of Pesticides and other Foreign Chemicals in Foods and Feeds), vol by: Polycyclic aromatic hydrocarbons (PAHs, also polyaromatic hydrocarbons or polynuclear aromatic hydrocarbons) are hydrocarbons—organic compounds containing only carbon and hydrogen—that are composed of multiple aromatic rings (organic rings in which the and identification of polycyclic aromatic hydrocarbons book are delocalized).The simplest such chemicals are naphthalene, having two aromatic rings, and the three-ring compounds.

Unfortunately, this book can't be printed from the OpenBook. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Polycyclic aromatic hydrocarbons (PAHs) are frequently measured in the atmosphere for air quality assessment, in biological tissues for health-effects monitoring, in sediments and mollusks for environmental monitoring, and in foodstuffs for safety reasons.

In contemporary analysis of these complex matrices, gas chromatography (GC), rather than liquid chromatography (LC), is often the Cited by: Separations (ISSN ; CODEN: SEPAF2) (formerly Chromatography - ISSNCODEN: CHROBV) is an international, scientific, peer-reviewed, open access journal published quarterly online by MDPI.

Open Access - free for readers, with article processing charges (APC) paid by authors or their institutions.; High Visibility: Indexed in the Science Citation Index Expanded (SCIE) - Web.

Isolation and Identification of Three-Rings Polyaromatic Hydrocarbons (Anthracene and Phenanthrene) Degrading Bacteria Article (PDF Available) January with Reads How we measure 'reads'.

Fretheim K. Polycyclic Aromatic Hydrocarbons in Grilled Meat Products—A Review. Food Chemistry. – Mottier P. Parisod V. Turesky R.J. Quantitative Determination of Polycyclic Aromatic Hydrocarbons in Barbecued Meat Sausages by Gas Chromatography Coupled to Mass Spectrometry.

Journal of Agricultural and Food by: Polycyclic aromatic hydrocarbons (PAHs)—sometimes referred to as polynuclear aromatic hydrocarbons (PNAs), condensed ring aromatics, or fused ring aromatics—are a class of organic compounds consisting of two or more fused aromatic rings (Figures and ).Naphthalene, consisting of two fused benzene rings, is the simplest by: This statement was prepared to give you information about polycyclic aromatic hydrocarbons (PAHs) and to emphasize the human health effects that may result from exposure to them.

The Environmental Protection Agency (EPA) has identified 1, hazardous waste sites as the most serious in the nation. Polycyclic aromatic hydrocarbons (PAHs) are a group of chemicals that are formed during the incomplete burning of coal, oil, gas, garbage or other organic substances like tobacco or charbroiled meat.

PAHs are often found as a mixture containing two or more of these compounds. Polycyclic aromatic hydrocarbons (PAHs) are a class of chemicals that occur naturally in coal, crude oil, and gasoline.

They also are produced when coal, oil, gas, wood, garbage, and tobacco are burned. PAHs generated from these sources can bind to or form small particles in the air. High-temperature cooking will form PAHs in meat and in other.

Introduction. Research on indoor air quality (Mannino and Orecchio, ) is important since people spend more than 80% (Benner et al.,Robinson and Nelson, ) of their time in confined environments, thus it is necessary to evaluate indoor contaminant concentrations and distributions for assessing total human exposure to various polycyclic aromatic hydrocarbons (PAHs Cited by: Identification and quantification of seven fused aromatic rings C26H14 peri-condensed benzenoid polycyclic aromatic hydrocarbons in a complex mixture of polycyclic aromatic hydrocarbons from coal tar Jorge O.

Oña-Ruales, Yosadara Ruiz-Morales, Stephen A. WiseCited by:   This Initial Check will help you assess your current knowledge about the toxicity of polycyclic aromatic hydrocarbons (PAH). To take the Initial Check, read the case below, and then answer the questions that follow. Case: Dyspnea, weight loss, and weakness in a year-old male coal tar manufacturing plant worker.

Polycyclic aromatic hydrocarbons, many of which are potent human carcinogens, occur widely in the environment as a result of incomplete combustion of organic matter.

This volume was the first to review the chemical properties of these carcinogens and to relate their carcinogenic activity to their metabolic by-products within the by: 1. POLYCYCLIC AROMATIC HYDROCARBONS – PROBLEM CHEMICALS.

Whether in mouse pads, toys, or bathing shoes – polycyclic aromatic hydrocarbons (PAHs) are ubiquitous. Most frequently, non-branded products at affordable prices get negative attention in this respect, but pro-ducts from renowned companies may contain PAHs as Size: KB.

The atmospheric persistence of PAHs has received considerable attention in recent years and continues to be actively investigated. Two extreme situations can be envisioned. In the absence of any chemical interaction, the lifetime of PAHs adsorbed onto particles will depend solely on physical characteristics—the size of the carrier particle and scavenging processes, including wet and dry.

Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings and one or more chlorine atoms attached to the ring system. Cl-PAHs can be divided into two groups: chloro-substituted PAHs, which have one or more hydrogen atoms substituted by a chlorine atom, and chloro-added Cl-PAHs, which have two or.

Polycyclic Aromatic Hydrocarbons (PAHs) Polycyclic aromatic hydrocarbons (PAHs) are a class of chemicals that occur naturally in coal, crude oil, and gasoline.

They also are produced when coal, oil, gas, wood, garbage, and tobacco are burned. PAHs generated from these sources can bind to or form small particles in the air.

z c. March Contamination of Stormwater Pond Sediments by Polycyclic Aromatic Hydrocarbons (PAHs) in Minnesota. The Role of Coal Tar-based Sealcoat Products as a Source of PAHs. SUMMARY: Exposure to polycyclic aromatic hydrocarbons usually occurs by breathing air contaminated by wild fires or coal tar, or by eating foods that have been grilled.

PAHs have been found in at least of the 1, National Priorities List sites identified by the Environmental Protection Agency (EPA).

Chapter Polycyclic aromatic hydrocarbons (PAHs) General description Polycyclic aromatic hydrocarbons (PAHs) are a large group of organic compounds with two or more fused aromatic rings.

They have a relatively low solubility in water, but are highly lipophilic. Most of the PAHs with low vapour pressure in the air are adsorbed on Size: KB. Polycyclic Aromatic Hydrocarbons (PAHs) Polycyclic aromatic hydrocarbons (PAHs) are a class of chemicals that occur naturally in coal, crude oil, and gasoline.

They also are produced when coal, oil, gas, wood, garbage, and tobacco are burned. PAHs generated from these sources can bind to or form small particles in the Size: KB. Polycyclic Aromatic Hydrocarbons.

Polycyclic Aromatic Hydrocarbons (PAHs) include hundreds of different chemicals that commonly occur as mixtures in the environment. Limited toxicological data are available on PAH mixtures; therefore, individual PAHs are typically evaluated as separate chemicals for risk characterization.

Polycyclic aromatic hydrocarbons (PAHs) are emitted into the Canadian environment from both natural and anthropogenic sources.

Forest fires are the single most important natural source of PAHs in Canada. However, since releases from that source are generally widely separated in time and space across the country, they do not result in continuous exposure in any specific area.

Polycyclic Aromatic Hydrocarbons (PAHs) Polycyclic aromatic hydrocarbons (PAHs) are hydrocarbons containing multiple-ring structures. They are mainly formed from the incomplete combustion of organic substances. Numerous members of this group have carcinogenic properties and the potential to interfere with hormonal systems and immune responses.

About the Journal The Journal of Chromatography & Separation Techniques is a peer-reviewed (refereed), academic, open-access, international scientific journal which provides a global scholarly platform to scientists, academicians and researchers to disseminate knowledge to the tertiary end users in the form of critical and informed articles related to separation science.

leConfigurationsforSixMemberedRingPAHIsomers' ^/^\A/ IVIvv 1^ mioo V_»riclIllOdl 1llllcl 1Idl IbUI 1Ici0 IbUlo/^rmIlclbQrc isomers Formula Rings Carbons. hydrocarbons (Lin,Volkering et al., and Karanth et al., ). Hence, the current study screened for surface-active agent producing bacteria from petroleum- impacted soil.

Screening and Isolation of Biosurfactant-producing Bacteria Soil samples were collected from various points near a refinery site, petroleum depot,File Size: KB.

PAHs, short for polycyclic aromatic hydrocarbons, are a group of chemicals consisting of numerous carbon atoms joined together to form multiple rings. There are at le different PAH compounds.

Most are formed from the incomplete combustion of plant or. Polycyclic aromatic hydrocarbons (PAHs, also polyaromatic hydrocarbons) are hydrocarbons—organic compounds containing only carbon and hydrogen—that are composed of multiple aromatic rings (organic rings in which the electrons are delocalized).Formally, the class is further defined as lacking further branching substituents off of these ring structures.

A polynuclear aromatic hydrocarbon is a hydrocarbon made up of fused aromatic ring molecules. These rings share one or more sides and contain delocalized electrons.

Another way to consider PAHs is molecules made by fusing two or more benzene rings. Traditional risk assessment and source apportionment of sediments based on bulk polycyclic aromatic hydrocarbons (PAHs) can introduce biases due to unknown aging effects in various sediments. We Cited by: This book reviews Polycyclic Aromatic Hydrocarbons (PAHs) and Nitropolycyclic Aromatic Hydrocarbons (NPAHs) contamination in the context of environmental pollution in Asia.

It is comprised of the following sections: 1. Fundamental Chemistry and General Ch. Polycyclic aromatic hydrocarbon: Abbreviated PAH. A hydrocarbon (a molecule made up of hydrogen and carbon) containing two or more closed rings of atoms. PAHs are persistent, bioaccumulative, and toxic (PBT) pollutant.

What are Polycyclic Aromatic Hydrocarbons (PAHs). Polycyclic aromatic hydrocarbons (PAHs) are a group of more than chemicals that are also called polynuclear aromatic hydrocarbons.

PAHs are released from burning coal, oil, gasoline, trash, tobacco, and wood. High-temperature cooking, such as grilling, will form PAHs in meat and other foods. Many of these products, such as polycyclic aromatic hydrocarbons (PAH), are highly toxic and are known to cause cancer. (See Polycyclic Aromatic Hydrocarbons: Chemistry and .Define polycyclic aromatic hydrocarbon.

polycyclic aromatic hydrocarbon synonyms, polycyclic aromatic hydrocarbon pronunciation, polycyclic aromatic hydrocarbon translation, English dictionary definition of polycyclic aromatic hydrocarbon.

Polycyclic aromatic hydrocarbons (PAHs) with two to six rings are a class of organic contaminants. An illustration of a typical polycyclic aromatic hydrocarbon.

Many Spitzer Space Telescope results involve the detection or study of "polycyclic aromatic hydrocarbons," or "PAHs" for short. Spitzer is particularly adept at observing this family of molecules, which are useful indicators of organic chemistry and the possibilities for life.

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