Existen hidrocarburos poli cíclicos, constituidos por varios ciclos unidos entre sí. . El nombre genérico de los hidrocarburos aromáticos es areno y los radicales . Los hidrocarburos aromáticos poli cíclicos (HAP) están ampliamente distribuidos en el ambiente y su origen puede ser natural o antrópico. La mayoría de los. Los H.A. son compuestos son compuestos orgánicos cíclicos. Sus moléculas están formadas por uno o más ciclos, sustitutos o no, pero.

Author: Gardaktilar Mishicage
Country: Pakistan
Language: English (Spanish)
Genre: Environment
Published (Last): 24 September 2014
Pages: 482
PDF File Size: 20.79 Mb
ePub File Size: 2.33 Mb
ISBN: 524-6-74805-954-3
Downloads: 74193
Price: Free* [*Free Regsitration Required]
Uploader: Kamuro

The percentages of recovery were estimated comparing the difference of weight between the spiked and un-spiked samples and the inicial amount 5 mg of PAH added. Environmental Health Perspectives Suppl 3: This is especially important for the children linked to this economic activity. Total carcinogenic potency estimation The total BaPeq concentration is an estimation of the total carcinogenic potency of a mixture of PAHs related to that of BaP.

Zimmerman en y su nombre se debe a que recuerda a un barril. Characterization of causative agents and mechanisms associated with cancer, reproductive, and cardiovascular effects”. Commission on Nomenclature of Organic Chemistry: Drug Metabolism Reviews 38 3: Of special concern is the presence of toxic substances linked with special activities developed in these countries, such as indoor wood combustion, waste disposal, brick manufacturing, and other home-made manufacturing activities Mariinez-Salinas et al.

Principles hicrocarburos evaluating health risk in children associated with expossure to chemical. Organic Geochemistry 20 7: Optimization, validation and comparison of various extraction techniques for the trace determination of polycyclic aromatic hydrocarbons in sewage sludges by liquid chromatography coupled to diode-array and fluorescence detection.


Hidrocarburo aromático policíclico

ACS Symposium Series All these factors could imply a generalized carcinogenic risk for the exposed population. The high abundance of, chrysene and benzofluoranthenes was also remarkable: Children play near the kilns. Consultado el 14 de octubre de J Hazard Mater Regul Toxicol Pharmacol 16, Clinical Chemistry 55 2: Environmental Pollution 1: Los tripticenos conceptualmente son barrelenos fusionados con benceno:.

Levels and profiles of PAHs have been analyzed in soils from different land uses such as big cities and industrial or agricultural hideocarburos around the world revealing that, in general, the greatest amounts of PAHs are found in big cities and heavy industrial areas Nadal et al.

Atmospheric Environment 33, Atmospheric Environment 42 Finally it was found a low exceedance for BkF and Nap with mean concentrations exceeding the criteria 1.

PAHs in the Fraser River basin: LMW are those PAHs with two or three structural rings naphthalene, acenaphthene, acenaphthylene, fluorene, phenanthrene, and anthracene and Nidrocarburos PAHs are those with four, five and six structural rings, namely fluoranthene, pyrene, benzo[ a ]anthracene, chrysene, benzo[ b ]flouranthene, benzo[ k ]fluoranthene, benzo[ a ]pyrene and dibenzo[ a,h ]anthracene, Zakaria et al. A Review of the Latest Evidence”.

Aromaticidade – Wikipedia, a enciclopedia libre

The carcinogenic potency of a mixture could then be estimated from ZBaPeq of each individual component. Levels, composition profiles and sources of polycyclic aromatic hydrocarbons poliaromqticos urban soil of Shanghai, China. El nombre general “pagodano” se reserva para todos los compuestos que conserven la misma jaula central de 16 carbonos.

Consultado el 4 de junio de Journal of Biological Chemistry poliaromaticoos Sus nombres triviales son denominadas como “benceno de” seguido del autor que la propuso:. A Review of the Literature”.


Andrew BeardAspects of Organic Chemistry: Na Galipedia, a Wikipedia en galego. Limit of quantification LOQ was calculated as 10 times the standard deviation of the blank.

Reacciones químicas en compuestos aromáticos. by Laura Arcila Arias on Prezi

Spatial distribution of total PAHs concentrations are shown in figure 1b. Total carcinogenic potency estimation. The extracts were concentrated to 1 mL by using a rotary evaporator, supplemented with 10 mL of acetonitrile and concentrate, again to 1 mL, to exchange solvent for acetonitrile.

Polycyclic Aromatic Hidrocwrburos New York: Arquivado dende o orixinal o 27 de febreiro de Fue sintetizado y descrito por H.

Hidrocarburos aromaticos policiclicos (HAPs) (II): medidas de prevencion y control.

PAH concentrations exceeding those of the legal limits, with means from 1. The fuels are hand supplied using tins to fill the fuel reservoirs ofthe kilns and also the direct disposal of fuels to the soils frequently occurred as a result of this method of refueling.

Distribution of polycyclic aromatic hydrocarbons PAHs in rivers and estuaries in Malaysia: PAH contamination in soils has been an issue of increasing concern in recent years Nadal et al. De Wikipedia, la enciclopedia libre. Recibido octubreaceptado junio Consultado o February 10, In this way, corrective and preventive strategies to reduce poliarommaticos exposed population and hopefully reduce the risk of this exposure could be estabilished.

Author: admin