Size distribution of ions in atmospheric aerosols

Research output: Contribution to journalArticle

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Abstract

The aim of this paper is to present data about the concentration and size distribution of ions in atmospheric aerosol under slightly polluted urban conditions in Hungary. Concentration of inorganic cations (ammonium, sodium, potassium, calcium, magnesium), inorganic anions (sulfate, nitrate, chloride, carbonate) and organic acids (oxalic, malonic, succinic, formic and acetic acid) for 8 particle size range between 0.0625 and 16 μm were determined. As was the case for ammonium, sulfate and nitrate, the organic acids were mostly found in the fine particle size range. Potassium and chloride were rather uniformly distributed between fine and coarse particles. Sodium, calcium, magnesium and carbonate were practically observed in the coarse mode. The results obtained for the summer and the winter half-year were also compared. The mass concentrations were recalculated in equivalents, and the ion balance was found to be reasonable in most cases. Measurement of the pH of the aerosol extracts indicates that the aerosol is acidic in the fine model, but alkaline in the coarse particle size range.

Original languageEnglish
Pages (from-to)279-291
Number of pages13
JournalAtmospheric Research
Volume46
Issue number3-4
DOIs
Publication statusPublished - May 1998

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particle size
aerosol
organic acid
ion
magnesium
potassium
calcium
chloride
sodium
carbonate
formic acid
ammonium sulfate
ammonium nitrate
acetic acid
anion
ammonium
cation
sulfate
nitrate
winter

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

Size distribution of ions in atmospheric aerosols. / Krivácsy, Z.; Molnár, A.

In: Atmospheric Research, Vol. 46, No. 3-4, 05.1998, p. 279-291.

Research output: Contribution to journalArticle

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