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常见含水流体包裹体体系pH值的程序计算
引用本文:张月沙,毛世德.常见含水流体包裹体体系pH值的程序计算[J].高校地质学报,2015,21(1):43.
作者姓名:张月沙  毛世德
作者单位:中国地质大学(北京)地球科学与资源学院,北京,100083
基金项目:国家自然科学基金,中央高校基本科研业务费专项资金
摘    要:常见成矿流体可以近似为CO2-H2O-NaCl体系及其子体系,在成矿过程中一旦被矿物捕获和封存,就会形成流体包裹 体。基于对流体包裹体的热力学研究,可以获得成矿流体的温度、压力和组成等物理化学参数。虽然pH值是一个重要的物 理化学参数,但是对于含水流体包裹体pH值的研究,一直处于探索阶段。目前只有少数研究者实验测定了CO2-H2O-NaCl体 系的pH值,部分研究者建立了热力学模型来计算该体系的pH值。本文结合前人工作,对重要的流体包裹体系(H2O、 NaCl-H2O和CO2-H2O-NaCl) 的pH值计算模型进行了系统归纳,并给出相关体系精确的计算程序。这些体系的执行程序代码 可以从论文出单位或通讯作者获得。

关 键 词:流体包裹体  pH  热力学模型  程序计算  

Calculation of pH for Common Aqueous Fluid Inclusion Systems
ZHANG Yuesha,MAO Shide.Calculation of pH for Common Aqueous Fluid Inclusion Systems[J].Geological Journal of China Universities,2015,21(1):43.
Authors:ZHANG Yuesha  MAO Shide
Abstract:Common ore-forming fluid systems can be approximated as a CO2-H2O-NaCl system or its subsystems. Once the ore-forming fluids are trapped and sealed by minerals during the ore-forming process, fluid inclusions will form. Physicochemical parameters of the ore-forming fluids, such as temperature, pressure and composition, can be obtained by the thermodynamic studies of fluid inclusions. Although pH is an important physicochemical parameter, the pH study of fluid inclusions is still at the primary stage. Up to now, only a few researchers measured the pH of CO2-H2O-NaCl system, and some researchers developed the thermodynamic models to calculate the pH of this system. Combining with the previous work, we systematically summarize the pH calculation models of the important fluid inclusion systems (H2O, NaCl-H2O and CO2-H2O-NaCl) and present an accurate calculation program for the relevant systems. in this paper. The executable codes of the calculation programs for these systems can be obtained from this journal or the corresponding author.
Keywords:fluid inclusion  pH  thermodynamic model  program calculation
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