## Abstract

A modified Redlich-Kwong equation of state is used to calculate the solubility of CO_{2} in methane at various temperatures and pressures. From the solubility of CO_{2} in CH_{4} at the triple point and at final melting (T_{h} < T_{fm}), and the molar volume of solid CO_{2}, the volume of solid at the triple point, and the molar volume of the inclusion can be calculated using a mass balance. The pressure at the melting point is calculated from the equation of state. The algorithm predicts composition, molar volume, pressure at final melting and the isochor pressure (for a given temperature of trapping) for CO_{2}-CH_{4} fluid inclusions for the case T_{h} < T_{fm}, given T_{h}, T_{fm} and experimental data on P_{h} and d_{co2} (solid) at T_{h}.

Original language | English |
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Pages (from-to) | 1581-1587 |

Number of pages | 7 |

Journal | Geochimica et Cosmochimica Acta |

Volume | 48 |

Issue number | 8 |

DOIs | |

State | Published - 1 Jan 1984 |

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