Studies of Single Aerosol Particles Containing Malonic Acid, Glutaric Acid, and Their Mixtures with Sodium Chloride. I. Hygroscopic Growth

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Studies of Single Aerosol Particles Containing Malonic Acid, Glutaric Acid, and Their Mixtures with Sodium Chloride. I. Hygroscopic Growth. / Pope, Francis; Dennis-Smither, BJ; Griffiths, PT; Clegg, SL; Cox, RA.

In: The Journal of Physical Chemistry A, Vol. 114, No. 16, 29.04.2010, p. 5335-5341.

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@article{b4ff4eadb79d46018f542f4055304167,
title = "Studies of Single Aerosol Particles Containing Malonic Acid, Glutaric Acid, and Their Mixtures with Sodium Chloride. I. Hygroscopic Growth",
abstract = "We describe a newly constructed electrodynamic balance with which to measure the relative mass of single aerosol particles at varying relative humidity. Measurements of changing mass with respect to the relative humidity allow mass (m) growth factors (m(aqueous)/m(dry)) and diameter (d) growth factors (d(aqueous)/d(dry)) of the aerosol to be determined. Four aerosol types were investigated: malonic acid, glutaric acid, mixtures of malonic acid and sodium chloride, and mixtures of glutaric acid and sodium chloride. The mass growth factors of the malonic acid and glutaric acid aqueous phase aerosols, at 85% relative humidity, were 2.11 +/- 0.08 and 1.73 +/- 0.19, respectively. The mass growth factors of the mixed organic/inorganic aerosols are dependent upon the molar fraction of the individual components. Results are compared with previous laboratory determinations and theoretical predictions.",
author = "Francis Pope and BJ Dennis-Smither and PT Griffiths and SL Clegg and RA Cox",
year = "2010",
month = apr,
day = "29",
doi = "10.1021/jp100059k",
language = "English",
volume = "114",
pages = "5335--5341",
journal = "The Journal of Physical Chemistry A",
issn = "1089-5639",
publisher = "American Chemical Society",
number = "16",

}

RIS

TY - JOUR

T1 - Studies of Single Aerosol Particles Containing Malonic Acid, Glutaric Acid, and Their Mixtures with Sodium Chloride. I. Hygroscopic Growth

AU - Pope, Francis

AU - Dennis-Smither, BJ

AU - Griffiths, PT

AU - Clegg, SL

AU - Cox, RA

PY - 2010/4/29

Y1 - 2010/4/29

N2 - We describe a newly constructed electrodynamic balance with which to measure the relative mass of single aerosol particles at varying relative humidity. Measurements of changing mass with respect to the relative humidity allow mass (m) growth factors (m(aqueous)/m(dry)) and diameter (d) growth factors (d(aqueous)/d(dry)) of the aerosol to be determined. Four aerosol types were investigated: malonic acid, glutaric acid, mixtures of malonic acid and sodium chloride, and mixtures of glutaric acid and sodium chloride. The mass growth factors of the malonic acid and glutaric acid aqueous phase aerosols, at 85% relative humidity, were 2.11 +/- 0.08 and 1.73 +/- 0.19, respectively. The mass growth factors of the mixed organic/inorganic aerosols are dependent upon the molar fraction of the individual components. Results are compared with previous laboratory determinations and theoretical predictions.

AB - We describe a newly constructed electrodynamic balance with which to measure the relative mass of single aerosol particles at varying relative humidity. Measurements of changing mass with respect to the relative humidity allow mass (m) growth factors (m(aqueous)/m(dry)) and diameter (d) growth factors (d(aqueous)/d(dry)) of the aerosol to be determined. Four aerosol types were investigated: malonic acid, glutaric acid, mixtures of malonic acid and sodium chloride, and mixtures of glutaric acid and sodium chloride. The mass growth factors of the malonic acid and glutaric acid aqueous phase aerosols, at 85% relative humidity, were 2.11 +/- 0.08 and 1.73 +/- 0.19, respectively. The mass growth factors of the mixed organic/inorganic aerosols are dependent upon the molar fraction of the individual components. Results are compared with previous laboratory determinations and theoretical predictions.

U2 - 10.1021/jp100059k

DO - 10.1021/jp100059k

M3 - Article

C2 - 20361768

VL - 114

SP - 5335

EP - 5341

JO - The Journal of Physical Chemistry A

JF - The Journal of Physical Chemistry A

SN - 1089-5639

IS - 16

ER -