TAILIEUCHUNG - Gas–particle partitioning of polycyclic aromatic hydrocarbons-PAHs in ambient air in HoChiMinh city

This research conducted an analysis of 14 Polycyclic Aromatic Hydrocarbons (PAHs) in gas and particle-phase in ambient air in Hochiminh City to investigate their occurence and the gas/particle distribution. | Vietnam Journal of Science and Technology 55 (4C) (2017) 97-102 GAS–PARTICLE PARTITIONING OF POLYCYCLIC AROMATIC HYDROCARBONS - PAHs IN AMBIENT AIR IN HOCHIMINH CITY Nguyen Doan Thien Chi1, Le Xuan Vinh1, Duong Huu Huy1, Norimichi Takenaka2, To Thi Hien1 1 Faculty of Environment, University of Science, VNU-HCMC, 227 Nguyen Van Cu street, Dist 5, Hochiminh City, Vietnam 2 Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku Sakai 599-8531, Japan * Email: ndtchi@ Received: ; Accepted for publication: 19 October 2017 ABSTRACT This research conducted an analysis of 14 Polycyclic Aromatic Hydrocarbons (PAHs) in gas and particle-phase in ambient air in Hochiminh City to investigate their occurence and the gas/particle distribution. Gas and particle samples were collected from June to August 2015 in Hochiminh City and PAHs were treated and analyzed using high performance liquid chromatography with fluorescence detection (HPLC/FLD). Results showed that average concentration of 14 PAHs were from to ng/m3 and from to 133 ng/m3 in particlephase and in gas-phase, respectively. The concentration of PAHs in the gas-phase accounted for more than 80% of total PAHs concentration in which low molecular weight PAHs as the dominant PAHs. Meanwhile, high molecular weight PAHs distributed mainly in particle-phase. The particle-phase fraction Φ was obtained to understand the partitioning. Keywords: Polycyclic Aromatic Hydrocarbons (PAHs), gas/particle partitioning, High Performance Liquid Chromatography (HPLC), Hochiminh City. 1. INTRODUCTION Polycyclic Aromatic Hydrocarbons (PAHs) are widely distributed to environmental pollutants. They are products of the incomplete combustion of organic matter. Anthropogenic emission sources of PAHs in the atmosphere include traffic, domestic heating, oil refining and other industrial processes [1, 2]. PAHs are ubiquitous constituents of urban airborne particulates and are of major health concern mainly due to their .

• Hoá học
• Vietnam Journal of Science and Technology
• Polycyclic Aromatic Hydrocarbons
• Gas–particle partitioning
• Ambient air in HoChiMinh city
• High Performance Liquid Chromatography
• Journal of Science
• Journal of Technology
• Technology Management
• Science and Technology
• International integration
• Journal of Marine Science and Technology
• Present state of ocean observations and service in Vietnam
• Unmanned Aerial Vehicle
• The Vietnam Academy of Science and Technology
• Ministry of Natural Resources and Environment
• Research Organizations
• Policy Planning
• Science and Technology development
• Theory Z
• Human Resources
• Development policy of Japan
• Technology and innovation system
• STI system
• Universities of Vietnam
• Model of Scientific Research
• Social Science Research System
• Nucleotide diversity of 15 conifer species in Vietnam’ s central highland
• Highland of Vietnam
• 15 conifer species
• Species of conifers
• Journal of Vietnam Agricultural Science and Technology
• Tạp chí Khoa học Công nghệ Nông nghiệp Việt Nam
• Agro food value chain
• Trade policy Vietnam
• Vietnam’s agricultural export
• The agricultural market
• The improved upland rice technology (IURT)
• Contract farming
• Improved technology
• Ssubsequent effect
• Application of passive remote sensin
• Upward looking microwave radiometers
• Technology Institute Vietnam Academy
• Trees canopyusing ground based
• Close innovation
• Open innovation
• Technological innovation
• Mechanical engineering
• R&D Organization
• Research activity
• Modeling studies of Vietnam lemongrass essential oil extraction process
• Lemongrass essential oil
• Response surface methodology
• Box Behnken design
• Kinetics of pyrolysis reaction
• Agricultural residues in Vietnam
• Corn cob and sugarcane bagasse
• Pyrolysis or gasification
• A hopane triterpenoid
• The mycelium of isaria japonica in Vietnam
• NMR assignment for 11β
• 22 dihydroxyhopane
• Spectral data analysis
• Seawater desalination applications in Vietnam
• Potential and challenges
• Current seawater desalination plants
• The MD process including configurations
• Characteristics of elemental and organic carbon
• Different sampling locations in vietnam
• NPs in the atmosphere
• Journal of Science and Technology
• Antibiotics and pesticides in water and sediments
• Intensive shrimp farms in southern Vietnam
• Mekong Delta Vietnam
• Arge amount of antibiotics
• Chemical constituents and biological activities
• Alpinia kwangsiensis collected in Vietnam
• Methanol extract of Alpinia kwangsiensis roots
• Staphylococcus aureus and Bacillus subtilis
• Wave characteristics in east Vietnam sea
• WAM cycle 4
• East Vietnam Sea
• Wave field Typhoon
• Using benthos to evaluate the quality
• The incident caused by formosa
• The central Vietnam
• The fungal strain FBV40
• Purification and characterization of laccase involved
• The white rot fungus isolated
• Bavi forest of Vietnam
• Study of sudden ionospheric disturbances
• Low frequency receiver
• Nha Trang province
• The sudden ionospheric disturbance
• Preliminary assessment of Btex
• Indoor and outdoor air
• Residential homes in Hanoi
• Among BTEX compounds