The enthalpies increments of the chemical elements for minerals of cancrinite group

Author(s): Oleg Viacheslavovich Eremin

The chemical elements increments for experimental values of standard enthalpies fHº for three cancrinite group minerals have been calculated bymeans of linear programming problems. The obtained increments have been used in calculations of fHº values for nine minerals of cancrinite group with known thermodynamic properties. The mean error of calculations makes about 1 %. The estimations for some minerals with unknown enthalpies have been carried out.

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