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Surfactants in cloud droplet activation: Mixed organic-inorganic particles

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Standard

Surfactants in cloud droplet activation : Mixed organic-inorganic particles. / Prisle, Nønne Lyng; Raatikainen, T.; Laaksonen, A. et al.

I: Atmos. Chem. and Phys., Bind 10, Nr. 12, 01.01.2010, s. 5663-5683.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Harvard

Prisle, NL, Raatikainen, T, Laaksonen, A & Bilde, M 2010, 'Surfactants in cloud droplet activation: Mixed organic-inorganic particles', Atmos. Chem. and Phys., bind 10, nr. 12, s. 5663-5683. https://doi.org/10.5194/acp-10-5663-2010

APA

Prisle, N. L., Raatikainen, T., Laaksonen, A., & Bilde, M. (2010). Surfactants in cloud droplet activation: Mixed organic-inorganic particles. Atmos. Chem. and Phys., 10(12), 5663-5683. https://doi.org/10.5194/acp-10-5663-2010

CBE

Prisle NL, Raatikainen T, Laaksonen A, Bilde M. 2010. Surfactants in cloud droplet activation: Mixed organic-inorganic particles. Atmos. Chem. and Phys. 10(12):5663-5683. https://doi.org/10.5194/acp-10-5663-2010

MLA

Vancouver

Prisle NL, Raatikainen T, Laaksonen A, Bilde M. Surfactants in cloud droplet activation: Mixed organic-inorganic particles. Atmos. Chem. and Phys. 2010 jan. 1;10(12):5663-5683. doi: 10.5194/acp-10-5663-2010

Author

Prisle, Nønne Lyng ; Raatikainen, T. ; Laaksonen, A. et al. / Surfactants in cloud droplet activation : Mixed organic-inorganic particles. I: Atmos. Chem. and Phys. 2010 ; Bind 10, Nr. 12. s. 5663-5683.

Bibtex

@article{013e99ca0de648a3b5b747c56918efe4,
title = "Surfactants in cloud droplet activation: Mixed organic-inorganic particles",
abstract = "Organic compounds with surfactant properties are commonly found in atmospheric aerosol particles. Surface activity can significantly influence the cloud droplet forming ability of these particles. We have studied the cloud droplet formation by two-component particles comprising one of the organic surfactants sodium octanoate, sodium decanoate, sodium dodecanoate, and sodium dodecyl sulfate, mixed with sodium chloride. Critical supersaturations were measured with a static diffusion cloud condensation nucleus counter (Wyoming CCNC-100B). Results were modeled from K{\"o}hler theory applying three different representations of surfactant properties in terms of surfactant surface partitioning and reduced droplet surface tension. We here confirm previous results for single-component organic surfactant particles, that experimental critical supersaturations are greatly underpredicted, if reduced surface tension is used while ignoring the effects of surface partitioning in droplets. Furthermore, disregarding surfactant properties by ignoring surface partitioning and assuming the constant surface tension of pure water can also lead to significant underpredictions of experimental critical supersaturations. For the mixed particles comprising less than 50% by mass of surfactant, this approach however still provides a good description of the observed droplet activation. A comprehensive account for surfactant properties, including both surface tension reduction and effects of surface partitioning in activating droplets, generally predicts experimental critical supersaturations well.",
author = "Prisle, {N{\o}nne Lyng} and T. Raatikainen and A. Laaksonen and M. Bilde",
year = "2010",
month = jan,
day = "1",
doi = "10.5194/acp-10-5663-2010",
language = "English",
volume = "10",
pages = "5663--5683",
journal = "Atmospheric Chemistry and Physics",
issn = "1680-7316",
publisher = "Copernicus GmbH",
number = "12",

}

RIS

TY - JOUR

T1 - Surfactants in cloud droplet activation

T2 - Mixed organic-inorganic particles

AU - Prisle, Nønne Lyng

AU - Raatikainen, T.

AU - Laaksonen, A.

AU - Bilde, M.

PY - 2010/1/1

Y1 - 2010/1/1

N2 - Organic compounds with surfactant properties are commonly found in atmospheric aerosol particles. Surface activity can significantly influence the cloud droplet forming ability of these particles. We have studied the cloud droplet formation by two-component particles comprising one of the organic surfactants sodium octanoate, sodium decanoate, sodium dodecanoate, and sodium dodecyl sulfate, mixed with sodium chloride. Critical supersaturations were measured with a static diffusion cloud condensation nucleus counter (Wyoming CCNC-100B). Results were modeled from Köhler theory applying three different representations of surfactant properties in terms of surfactant surface partitioning and reduced droplet surface tension. We here confirm previous results for single-component organic surfactant particles, that experimental critical supersaturations are greatly underpredicted, if reduced surface tension is used while ignoring the effects of surface partitioning in droplets. Furthermore, disregarding surfactant properties by ignoring surface partitioning and assuming the constant surface tension of pure water can also lead to significant underpredictions of experimental critical supersaturations. For the mixed particles comprising less than 50% by mass of surfactant, this approach however still provides a good description of the observed droplet activation. A comprehensive account for surfactant properties, including both surface tension reduction and effects of surface partitioning in activating droplets, generally predicts experimental critical supersaturations well.

AB - Organic compounds with surfactant properties are commonly found in atmospheric aerosol particles. Surface activity can significantly influence the cloud droplet forming ability of these particles. We have studied the cloud droplet formation by two-component particles comprising one of the organic surfactants sodium octanoate, sodium decanoate, sodium dodecanoate, and sodium dodecyl sulfate, mixed with sodium chloride. Critical supersaturations were measured with a static diffusion cloud condensation nucleus counter (Wyoming CCNC-100B). Results were modeled from Köhler theory applying three different representations of surfactant properties in terms of surfactant surface partitioning and reduced droplet surface tension. We here confirm previous results for single-component organic surfactant particles, that experimental critical supersaturations are greatly underpredicted, if reduced surface tension is used while ignoring the effects of surface partitioning in droplets. Furthermore, disregarding surfactant properties by ignoring surface partitioning and assuming the constant surface tension of pure water can also lead to significant underpredictions of experimental critical supersaturations. For the mixed particles comprising less than 50% by mass of surfactant, this approach however still provides a good description of the observed droplet activation. A comprehensive account for surfactant properties, including both surface tension reduction and effects of surface partitioning in activating droplets, generally predicts experimental critical supersaturations well.

UR - http://www.scopus.com/inward/record.url?scp=77954182770&partnerID=8YFLogxK

U2 - 10.5194/acp-10-5663-2010

DO - 10.5194/acp-10-5663-2010

M3 - Journal article

AN - SCOPUS:77954182770

VL - 10

SP - 5663

EP - 5683

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

SN - 1680-7316

IS - 12

ER -