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Interactions of organosulfates with water vapor under sub- and supersaturated conditions
Peng, Chao1,2,3; Razafindrambinina, Patricia N.4; Malek, Kotiba A.5; Chen, Lanxiadi1,2,3,6; Wang, Weigang7; Huang, Ru-Jin8; Zhang, Yuqing1,2,3; Ding, Xiang1,2,3; Ge, Maofa7; Wang, Xinming1,2,3; Asa-Awuku, Akua A.4,5; Tang, Mingjin1,2,3,6
Corresponding AuthorTang, Mingjin(mingjintang@gig.ac.cn)
2021-05-10
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
Volume21Issue:9Pages:7135-7148
AbstractOrganosulfates (OSs) are important constituents of secondary organic aerosols, but their hygroscopic properties and cloud condensation nucleation (CCN) activities have not been well understood. In this work we employed three complementary techniques to characterize interactions of several OSs with water vapor under sub- and supersaturated conditions. A vapor sorption analyzer was used to measure mass changes in OS samples with relative humidity (RH, 0 %-90 %); among the 11 organosulfates examined, only sodium methyl sulfate (methyl-OS), sodium ethyl sulfate (ethyl-OS), sodium octyl sulfate (octyl-OS) and potassium hydroxyacetone sulfate were found to deliquesce as RH increased, and their mass growth factors at 90 % RH were determined to be 3.65 +/- 0.06, 3.58 +/- 0.02, 1.59 +/- 0.01 and 2.20 +/- 0.03. Hygroscopic growth of methyl-, ethyl- and octyl-OS aerosols was also studied using a humidity tandem differential mobility analyzer (H-TDMA); continuous hygroscopic growth was observed, and their growth factors at 90 % RH were determined to be 1.83 +/- 0.03, 1.79 +/- 0.02 and 1.21 +/- 0.02. We further investigated CCN activities of methyl-, ethyl- and octyl-OS aerosols, and their single hygroscopicity parameters (kappa(cnn)) were determined to be 0.459 +/- 0.021, 0.397 +/- 0.010 and 0.206 +/- 0.008. For methyl- and ethyl-OS aerosols, kappa(cnn) values agree reasonably well with those derived from H-TDMA measurements (kappa(gf)) with relative differences being < 25 %, whereas kappa(cnn) was found to be similar to 2.4 times larger than kappa(gf) for octyl-OS, likely due to both the solubility limit and surface tension reduction.
DOI10.5194/acp-21-7135-2021
WOS KeywordSECONDARY ORGANIC AEROSOL ; SINGLE-PARAMETER REPRESENTATION ; CONDENSATION NUCLEUS ACTIVITY ; PEARL RIVER DELTA ; HYGROSCOPIC GROWTH ; CLOUD CONDENSATION ; ATMOSPHERIC AEROSOLS ; AROMATIC ORGANOSULFATES ; MINERAL DUST ; ACTIVATION
Indexed BySCI ; SCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000651032700005
PublisherCOPERNICUS GESELLSCHAFT MBH
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/16395
Collection粉尘与环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorTang, Mingjin
Affiliation1.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Key Lab Environm Protect & Resources Ut, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Hong Kong Macao Joint Lab Environm Poll, Guangzhou 510640, Peoples R China
3.CAS Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China
4.Univ Maryland, Coll Comp Math & Nat Sci, Dept Chem & Biochem, College Pk, MD 20742 USA
5.Univ Maryland, A James Clark Sch Engn, Dept Chem & Biomol Engn, College Pk, MD 20742 USA
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, Inst Chem, CAS Res Educ Ctr Excellence Mol Sci,Beijing Natl, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100190, Peoples R China
8.Chinese Acad Sci, Inst Earth & Environm, State Key Lab Loess & Quaternary Geol, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
Recommended Citation
GB/T 7714
Peng, Chao,Razafindrambinina, Patricia N.,Malek, Kotiba A.,et al. Interactions of organosulfates with water vapor under sub- and supersaturated conditions[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2021,21(9):7135-7148.
APA Peng, Chao.,Razafindrambinina, Patricia N..,Malek, Kotiba A..,Chen, Lanxiadi.,Wang, Weigang.,...&Tang, Mingjin.(2021).Interactions of organosulfates with water vapor under sub- and supersaturated conditions.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(9),7135-7148.
MLA Peng, Chao,et al."Interactions of organosulfates with water vapor under sub- and supersaturated conditions".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.9(2021):7135-7148.
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