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Journal of Atmospheric Chemistry

, Volume 33, Issue 3, pp 321–330 | Cite as

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

  • Laura T. Iraci
  • Bradly M. Baker
  • Geoffrey S. Tyndall
  • John J. Orlando
Article

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.

Henry's law constant partition coefficient methylbutenol methacrolein 2-methyl-2-propenal methyl vinyl ketone 3-buten-2-one 

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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Laura T. Iraci
    • 1
  • Bradly M. Baker
    • 1
  • Geoffrey S. Tyndall
    • 1
  • John J. Orlando
    • 1
  1. 1.Atmospheric Chemistry DivisionNational Center for Atmospheric ResearchBoulderU.S.A

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