DOI: 10.1016/j.atmosenv.2014.05.049
Scopus记录号: 2-s2.0-84901485073
论文题名: Aromatic organosulfates in atmospheric aerosols: Synthesis, characterization, and abundance
作者: Staudt S ; , Kundu S ; , Lehmler H ; -J ; , He X ; , Cui T ; , Lin Y ; -H ; , Kristensen K ; , Glasius M ; , Zhang X ; , Weber R ; J ; , Surratt J ; D ; , Stone E ; A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 94 起始页码: 366
结束页码: 373
语种: 英语
英文关键词: Atmospheric aerosol
; Mass spectrometry
; Sulfate ester synthesis
; Toluene
Scopus关键词: Aromatic compounds
; Aromatization
; Atmospheric aerosols
; Atmospheric thermodynamics
; Electrospray ionization
; Liquid chromatography
; Mass spectrometry
; Naphthalene
; Standards
; Toluene
; Detection and quantifications
; Different precursors
; Fine particulate matter
; Instrumental response
; Negative electrospray ionizations
; Quadrupole-time of flights
; Sulfate esters
; Ultraperformance liquid chromatography (UPLC)
; Sulfur compounds
; aromatic compound
; naphthalene
; sulfate
; toluene
; abundance
; aerosol
; chemical composition
; sampling
; sulfate
; toluene
; aerosol
; article
; atmosphere
; electrospray
; particulate matter
; priority journal
; quadrupole mass spectrometry
; synthesis
; ultra performance liquid chromatography
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Aromatic organosulfates are identified and quantified in fine particulate matter (PM2.5) from Lahore, Pakistan, Godavari, Nepal, and Pasadena, California. To support detection and quantification, authentic standards of phenyl sulfate, benzyl sulfate, 3- and 4-methylphenyl sulfate and 2-, 3-, and 4-methylbenzyl sulfate were synthesized. Authentic standards and aerosol samples were analyzed by ultra-performance liquid chromatography (UPLC) coupled to negative electrospray ionization (ESI) quadrupole time-of-flight (ToF) mass spectrometry. Benzyl sulfate was present in all three locations at concentrations ranging from 4 to 90pgm-3. Phenyl sulfate, methylphenyl sulfates and methylbenzyl sulfates were observed intermittently with abundances of 4pgm-3, 2-31pgm-3, 109pgm-3, respectively. Characteristic fragment ions of aromatic organosulfates include the sulfite radical (SO3 -, m/z 80) and the sulfate radical (SO4 -, m/z 96). Instrumental response factors of phenyl and benzyl sulfates varied by a factor of 4.3, indicating that structurally-similar organosulfates have significantly different instrumental responses and highlighting the need to develop authentic standards for absolute quantitation organosulfates. In an effort to better understand the sources of aromatic organosulfates to the atmosphere, chamber experiments with the precursor toluene were conducted under conditions that form biogenic organosulfates. Aromatic organosulfates were not detected in the chamber samples, suggesting that they form through different pathways, have different precursors (e.g. naphthalene or methylnaphthalene), or are emitted from primary sources. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80924
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Chemistry, University of Iowa, Iowa City, IA 52242, United States; Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, United States; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, United States; Department of Chemistry and iNANO, Aarhus University, 8000 Aarhus C, Denmark; School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, United States
Recommended Citation:
Staudt S,, Kundu S,, Lehmler H,et al. Aromatic organosulfates in atmospheric aerosols: Synthesis, characterization, and abundance[J]. Atmospheric Environment,2014-01-01,94