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Homogenous Nucleation of Sulfuric Acid and Water at Close to Atmospherically Relevant Conditions
- 1.0360056 - ÚCHP 2012 RIV DE eng J - Journal Article
Brus, David - Neitola, K. - Hyvärinen, A.-P. - Petäjä, T. - Vanhanen, J. - Sipilä, M. - Paasonen, P. - Kulmala, M. - Lihavainen, H.
Homogenous Nucleation of Sulfuric Acid and Water at Close to Atmospherically Relevant Conditions.
Atmospheric Chemistry and Physics. Roč. 11, č. 11 (2011), s. 5277-5287. ISSN 1680-7316. E-ISSN 1680-7324
Grant - others:GA FCE(FI) 1118615
Institutional research plan: CEZ:AV0Z40720504
Keywords : homogeneous nucleation rates * atmospheric measurements * sulfuric acid
Subject RIV: CF - Physical ; Theoretical Chemistry
Impact factor: 5.520, year: 2011
In this study the homogeneous nucleation rates in the system of sulfuric acid and water were measured by using a flow tube technique. The goal was to directly compare particle formation rates obtained from atmospheric measurements with nucleation rates of freshly nucleated particles measured with particle size magnifier (PSM) which has detection efficiency of unity for particles having mobility diameter of 1.5 nm. The gas phase sulfuric acid concentration in this study was measured with the chemical ionization mass spectrometer (CIMS), commonly used in field measurements. The wall losses of sulfuric acid were estimated from measured concentration profiles along the flow tube.
Permanent Link: http://hdl.handle.net/11104/0197698
Number of the records: 1