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Updated: May 26, 2026
07:49
On-line Analysis of Nitrogen Containing Compounds in Complex Hydrocarbon Matrixes
Published on: August 5, 2016
[Polycyclic aromatic hydrocarbons in air]
Ivana Jakovljević1, Silva Zužul
1Institut za medicinska istraživanja i medicinu rada, Zagreb, Hrvatska. ilulic@imi.hr
Arhiv Za Higijenu Rada I Toksikologiju
|December 29, 2011
Summary
Monitoring polycyclic aromatic hydrocarbons (PAHs), including the carcinogen Benzo[a]pyrene (BaP), is crucial. This review analyzes BaP air concentrations globally and in Croatia, highlighting seasonal variations and measurement techniques.
Area of Science:
- Environmental Chemistry
- Toxicology
Background:
- Polycyclic aromatic hydrocarbons (PAHs) are organic compounds formed from incomplete combustion.
- Some PAHs, like Benzo[a]pyrene (BaP), are known carcinogens and mutagens, necessitating environmental monitoring.
- PAH behavior in air varies with ring number; smaller PAHs are gaseous, larger ones bind to particles.
Purpose of the Study:
- To review and present measurements of Benzo[a]pyrene (BaP) concentrations in various global locations.
- To compare these global BaP findings with specific data from Croatia.
- To discuss the factors influencing PAH levels in the atmosphere.
Main Methods:
- Air sampling using filter paper or solid adsorbents.
- Extraction of PAHs from collected samples.
- Chromatographic analysis for PAH identification and quantification.
Main Results:
- PAH concentrations are higher in urban areas, particularly during winter due to heating.
- Summer temperatures lead to decreased PAH levels via oxidation and photooxidation.
- The review compiles global BaP data for comparative analysis.
Conclusions:
- Continuous monitoring of PAHs, especially carcinogenic forms like BaP, is essential for environmental and public health.
- Seasonal variations significantly impact atmospheric PAH concentrations.
- Comparative studies, like the one focusing on Croatia, are valuable for understanding regional PAH pollution patterns.
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