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      Chemical and microphysical characterization of ambient aerosols with the aerodyne aerosol mass spectrometer

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          The application of mass spectrometric techniques to the real-time measurement and characterization of aerosols represents a significant advance in the field of atmospheric science. This review focuses on the aerosol mass spectrometer (AMS), an instrument designed and developed at Aerodyne Research, Inc. (ARI) that is the most widely used thermal vaporization AMS. The AMS uses aerodynamic lens inlet technology together with thermal vaporization and electron-impact mass spectrometry to measure the real-time non-refractory (NR) chemical speciation and mass loading as a function of particle size of fine aerosol particles with aerodynamic diameters between approximately 50 and 1,000 nm. The original AMS utilizes a quadrupole mass spectrometer (Q) with electron impact (EI) ionization and produces ensemble average data of particle properties. Later versions employ time-of-flight (ToF) mass spectrometers and can produce full mass spectral data for single particles. This manuscript presents a detailed discussion of the strengths and limitations of the AMS measurement approach and reviews how the measurements are used to characterize particle properties. Results from selected laboratory experiments and field measurement campaigns are also presented to highlight the different applications of this instrument. Recent instrumental developments, such as the incorporation of softer ionization techniques (vacuum ultraviolet (VUV) photo-ionization, Li+ ion, and electron attachment) and high-resolution ToF mass spectrometers, that yield more detailed information about the organic aerosol component are also described. (c) 2007 Wiley Periodicals, Inc.

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          Characterization of urban and rural organic particulate in the Lower Fraser Valley using two Aerodyne Aerosol Mass Spectrometers

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            A mass spectrometric study of secondary organic aerosols formed from the photooxidation of anthropogenic and biogenic precursors in a reaction chamber

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              Quantitative sampling using an Aerodyne aerosol mass spectrometer 2. Measurements of fine particulate chemical composition in two U.K. cities


                Author and article information

                Mass Spectrometry Reviews
                Mass Spectrom. Rev.
                March 2007
                January 17 2007
                March 2007
                : 26
                : 2
                : 185-222
                [1 ]Center for Aerosol and Cloud Chemistry, Aerodyne Research, Inc., 45 Manning Rd., Billerica, Massachusetts 01821
                [2 ]Department of Chemistry and CIRES, University of Colorado‐Boulder, Boulder, Colorado 80309
                [3 ]School of Earth, Atmospheric and Environmental Sciences, University of Manchester, England
                [4 ]Paul Scherrer Institut, Villigen, Switzerland
                [5 ]Atmospheric Sciences Research Center, State University of New York, Department of Earth and Atmospheric Sciences, University at Albany, Albany, New York 12222
                [6 ]Max Planck Institute for Chemistry, Particle Chemistry Department, 55128 Mainz, Germany
                [7 ]NOAA Earth System Research Laboratory, Boulder, Colorado 80305
                [8 ]Program in Atmospheric and Oceanic Science, University of Colorado, Boulder, Colorado 80309
                [9 ]Chemistry Department, Boston College, Chestnut Hill, Massachusetts 02467
                © 2007





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