Solubility of metallic mercury in octane, dodecane and toluene at temperatures between 100°C and 200°C |
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| Authors: | MM Miedaner AA Migdisov AE Williams-Jones |
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| Institution: | Department of Earth and Planetary Sciences, McGill University, Montréal, Québec, Canada H3A 2A7 |
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| Abstract: | The solubility of metallic mercury in dodecane, octane and toluene has been investigated experimentally at temperatures up to 200°C and pressures up to 6 bars (toluene). The equilibrium Hg concentrations are very similar in octane and dodecane, reaching values of 821 ppm and 647 ppm, respectively at 200°C, whereas they are significantly lower in toluene (e.g., 280 ppm at 200°C). The behavior of Hg in toluene is nevertheless similar to that in the alkanes. There is a strong prograde dependence of Hg concentration on temperature in both types of solvent, which can be described by the following experimentally determined relationships:
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