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Measurements of the Henry's Law Coefficients of 2-Methyl-3-buten-2-ol, Methacrolein, and Methylvinyl Ketone (1999)

Iraci, Laura T. ; Baker, Bradly M. ; Tyndall, Geoffrey S. ; [weitere]

Springer

Journal of atmospheric chemistry 33 (1999), S. 321-330

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Details

ISSN: 1573-0662

Schlagwort(e): Henry's law constant ; partition coefficient ; methylbutenol ; methacrolein ; 2-methyl-2-propenal ; methyl vinyl ketone ; 3-buten-2-one

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Notizen: Abstract Using an equilibrium headspace technique, Henry's law coefficients were measured for methacrolein (H = 6.5 ± 0.7 M atm-1) and methylvinyl ketone (41 ± 7.0 M atm-1) in water at 25 °C. In addition, 2-methyl-3-buten-2-ol was studied at 30 °C in water and in an aqueous ionic solution representative of plant tissue. Similar values were found in deionized water (65 ± 3.5 M atm-1) and in a 0.05 mol kg-1 Ca2+, K+, NO3-, SO42- solution (62 ± 0.8 M atm-1). These Henry's Law coefficients are too small to allow for significant partitioning of methacrolein, methylvinyl ketone or methylbutenol into cloud water under equilibrium conditions.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1006169029230

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