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  Variation of marine aerosol acidity with particle size

Keene, W. C., Pszenny, A. A. P., Maben, J. R., & Sander, R. (2002). Variation of marine aerosol acidity with particle size. Geophysical Research Letters, 29(7): 1101. doi:10.1029/2001GL013881.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-9122-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-9123-0
Genre: Journal Article
Alternative Title : Geophys. Res. Lett.

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 Creators:
Keene, W. C., Author
Pszenny, A. A. P., Author
Maben, J. R., Author
Sander, R.1, Author              
Affiliations:
1Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              

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 Abstract: [1] pHs were measured in minimally diluted extracts of size- segregated aerosols sampled under moderately polluted conditions at Bermuda during spring 1997. Extrapolation to aerosol liquid water contents yielded ambient pHs for most super-mum mdiameter size fractions in the upper 3s to upper 4s. Aerosols within this size range of each sample approached similar pH. These results are consistent with recent estimates of sea-salt aerosol pHs based on thermodynamic considerations and model calculations. Most pHs for finer aerosol size fractions were in the 1s and 2s. The H+ +SO42- <-> HSO4- equilibrium strongly buffered aerosol pH in all size fractions.

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Language(s): eng - English
 Dates: 2002-04-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 18196
ISI: 000178886700059
DOI: 10.1029/2001GL013881
 Degree: -

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Title: Geophysical Research Letters
  Alternative Title : Geophys. Res. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 29 (7) Sequence Number: 1101 Start / End Page: - Identifier: ISSN: 0094-8276