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Volume 17, issue 12
Atmos. Chem. Phys., 17, 7495–7507, 2017
https://doi.org/10.5194/acp-17-7495-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 7495–7507, 2017
https://doi.org/10.5194/acp-17-7495-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 21 Jun 2017

Research article | 21 Jun 2017

Experimental determination of Henry's law constants of difluoromethane (HFC-32) and the salting-out effects in aqueous salt solutions relevant to seawater

Shuzo Kutsuna

Related subject area

Subject: Gases | Research Activity: Laboratory Studies | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

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Brockbank, S. A., Russon, J. L., Giles, N. F., Rowley, R. L., and Wilding, W. V.: Infinite dilution activity coefficients and Henry's law constants of compounds in water using the inert gas stripping method, Fluid Phase Equil., 348, 45–51, https://doi.org/10.1016/j.fluid.2013.03.023, 2013.
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We experimentally determined gas-to-water equilibrium coefficients of difluoromethane, a refrigerant HFC-32, in aqueous salt solutions relevant to seawater at 3–39 °C to evaluate what portion of HFC-32 emitted into the atmosphere would be dissolved in the ocean. The portion in the ocean was estimated to be realistically limited to only about 1 % globally; however, in a lower-tropospheric semi-hemisphere (30 °S–90 °S), the portion was estimated to be at least 4 % in winter.
We experimentally determined gas-to-water equilibrium coefficients of difluoromethane, a...
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