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Vaporization Processes and Thermodynamic Properties of Oxide Systems Studied by High Temperature Mass Spectrometry

机译:高温质谱研究氧化物体系的汽化过程和热力学性质

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Information on the vaporization processes and thermodynamic properties of the ternary silicate systems Na_2O-B_2O_3-SiO_2, Cs_2O-B_2O_3-SiO_2, RB_2O-B_2O_3-SiO_2, MgO-B_2O_3-SiO_2, CaO-B_2O_3-SiO_2, SrO-B_2O_3-SiO_2, BaO-B_2O_3-SiO_2, MgO-Al_2O_3-SiO_2, CaO-Al_2O_3-SiO_2, CaO-TiO_2-SiO_2, BaO-TiO_2-SiO_2, PbO-B_2O_3-SiO_2 and ZnO-B_2O_3-SiO_2 together with previously obtained data is discussed. Various types of vapour species were found over the oxide systems studied such as the associated, dissociated and polymerized products of vaporization. The systematic trends in the vaporization of binary and multicomponent oxide systems are illustrated and discussed from the point of view of the acid-base concept. Results on determination of thermodynamic functions in oxide systems were considered taking into account the main requirements for the confirmation of their reliability. The general lattice theory of associated solutions was used for the calculation of thermodynamic properties of the ternary silicate melts studied. Some industrial applications of multicomponent oxide systems are also illustrated.
机译:三元硅酸盐体系Na_2O-B_2O_3-SiO_2,Cs_2O-B_2O_3-SiO_2,RB_2O-B_2O_3-SiO_2,MgO-B_2O_3-SiO_2,CaO-B_2O_3-SiO2,SrO-B_2O_3-SiO_2,BaO的汽化过程和热力学性质的信息讨论了-B_2O_3-SiO_2,MgO-Al_2O_3-SiO_2,CaO-Al_2O_3-SiO_2,CaO-TiO_2-SiO_2,BaO-TiO_2-SiO_2,PbO-B_2O_3-SiO_2和ZnO-B_2O_3-SiO_2以及先前获得的数据。在所研究的氧化物体系中发现了各种类型的蒸气,例如伴生的,离解的和聚合的汽化产物。从酸碱概念的角度说明并讨论了二元和多组分氧化物体系的汽化的系统趋势。考虑了确定氧化物系统热力学函数的结果,并考虑到确认其可靠性的主要要求。关联溶液的一般晶格理论用于计算所研究的三元硅酸盐熔体的热力学性质。还说明了多组分氧化物体系的一些工业应用。

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