Spectroscopy and Spectral Analysis, Volume. 41, Issue 11, 3444(2021)

Measurement on Mass Growth Factors of (NH4)2SO4, NH4NO3, and Mixed (NH4)2SO4/NH4NO3 Aerosols Under Linear RH Changing Mode

Qiong LI, Shuai-shuai MA, Shu-feng PANG, and Yun-hong ZHANG*;
Author Affiliations
  • School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
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    Figures & Tables(6)
    Schematic diagram of an ATR-FTIR coupled with linear RH controlling system
    IR spectra of (NH4)2SO4 aerosols during dehumidification
    (a) Ambient RH and MGFs of (NH4)2SO4 as a function of time; (b) hygroscopic cycles of (NH4)2SO4 measured by this study and from literature and E-AIM predictions
    (a) Ambient RH and MGFs of NH4NO3particles as a function of time, (b) hygroscopic cycles of NH4NO3particles measured by this study and from E-AIM predictions, (c) IR spectra of NH4NO3particles during dehumidification
    (a) Ambient RH and MGFs of (NH4)2SO4/NH4NO3 (1∶2 mole ratio)mixed particles as a function of time, (b) hygroscopic cycles of (NH4)2SO4/NH4NO3 (1∶2 mole ratio) mixed particles measured by this study and from E-AIM predictions, (c) IR spectra of (NH4)2SO4/NH4NO3 (1∶2 mole ratio) mixed particles during dehumidification, (d) IR spectra of (NH4)2SO4/NH4NO3 (1∶2 mole ratio) mixed particles during humidification
    (a) Ambient RH and MGFs of (NH4)2SO4/NH4NO3 (1∶1 mole ratio) mixed particles as a function of time, (b) hygroscopic cycles of (NH4)2SO4/NH4NO3 (1∶1 mole ratio) mixed particles measured by this study and from E-AIM predictions
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    Qiong LI, Shuai-shuai MA, Shu-feng PANG, Yun-hong ZHANG. Measurement on Mass Growth Factors of (NH4)2SO4, NH4NO3, and Mixed (NH4)2SO4/NH4NO3 Aerosols Under Linear RH Changing Mode[J]. Spectroscopy and Spectral Analysis, 2021, 41(11): 3444

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    Paper Information

    Category: Orginal Article

    Received: Oct. 15, 2020

    Accepted: --

    Published Online: Dec. 17, 2021

    The Author Email:

    DOI:10.3964/j.issn.1000-0593(2021)11-3444-07

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