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The solubility of carbon dioxide in elasmobranch plasma between 10°C and 22°C

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Summary

The CO2 solubility coefficient\(\alpha _{{\text{CO}}_{\text{2}} }\) has been measured as a function of temperature for two species of dogfish (Scyliorhinus canicula and Scyliorhinus stellaris). Determinations were made at 10°C, 13°C, 16°C, 19°C and 22°C. As there was no difference in CO2 solubility between the plasmas of the two species, a common solubility curve was calculated for the temperature range between 8°C and 25°C. With decreasing temperature the solubility for CO2 increased so that the slope of the solubility curve was nearly equal to that of warm blooded plasma, of sea water and of pure water. In comparison with pure water and ox plasma, the solubility of CO2 in elasmobranch plasma was significantly lower as expected from its higher ionic strength but nearly the same as for sea water.

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  1. W. G. Kerckhoff-Institut der Max-Planck-Gesellschaft, Bad Nauheim

    K. Pleschka & I. Wittenbrock

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  1. K. Pleschka
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  2. I. Wittenbrock
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Pleschka, K., Wittenbrock, I. The solubility of carbon dioxide in elasmobranch plasma between 10°C and 22°C. Pflugers Arch. 329, 186–190 (1971). https://doi.org/10.1007/BF00586992

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  • DOI: https://doi.org/10.1007/BF00586992

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