Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 17, issue 12
Articles | Volume 17, issue 12
https://doi.org/10.5194/acp-17-7495-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-7495-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 17, issue 12
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

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Short summary
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.
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