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- Title
The Odd–Even Behaviour of Dicarboxylic Acids Solubility in the Atmospheric Aerosols.
- Authors
Rozaini, Mohd; Brimblecombe, Peter
- Abstract
The solubility and the enthalpy of dicarboxylic acids have been determined in water at intervals between 278.5 and 543.5 K. At 298.15 K, the values derived were: Δsol H m ( m = 1.33 mol kg−1) = 29.80 kJ mol−1for oxalic acid; Δsol H m ( m = 16.03 mol kg−1) = 12.82 kJ mol−1 for malonic acid; Δsol H m ( m = 0.75 mol kg−1) = 28.20 kJ mol−1 for succinic acid; Δsol H m ( m = 8.77 mol kg−1) = 48.01 kJ mol−1 and Δsol H m ( m = 0.17 mol kg−1) = 40.30 kJ mol−1 for glutaric and adipic acid respectively. The solubility value exhibits a prominent odd–even effect with respect to terms with even number of carbon atoms with the odd carbon numbers showing much higher solubility. Observations made in the atmospheres suggest that this odd–even effect may have implications for the relative abundance of these acids in aerosols.
- Subjects
CARBOXYLIC acids; SOLUBILITY; ATMOSPHERIC aerosols; ENVIRONMENTAL chemistry; MOLECULAR weights; OXALIC acid; CARBON compounds
- Publication
Water, Air & Soil Pollution, 2009, Vol 198, Issue 1-4, p65
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-008-9826-5