Na+,K+,Mg2+/NO3-,Cl-,SO42- -H2O体系25℃热力学模型和溶解度预测Ⅰ:六元体系所需的Pitzer参数
Thermodynamic Model and Prediction of Solubilities in the System Na +, K +, Mg2+/NO3-, Cl -, SO42- - H2O at 298.16KⅠ. Pitzer Parameters for the System
  
DOI:
中文关键词:  热力学,模型,溶解度,Pitzer参数
英文关键词:Thermodynamic model,Solubilities,Pitzer parameters
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作者单位
黄雪莉,宋彭生 1. 新疆大学化学化工学院,新疆,乌鲁木齐,830008
2. 中国科学院青海盐湖研究所
,青海,西,宁810008 
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中文摘要:
      在致力于Clegg-Pitzer模型和局部组成模型及其温度效应的研究基础,进一步结合含硝酸盐混合电解质溶液热力学的实验和理论研究,深入探讨了Pitzer模型对Na ,K ,Mg2 /Cl-,SO42-,NO3--H2O体系的适用性和各种应用。
英文摘要:
      In order to model thermodynamic properties and predict the solubilities of Na~ ,K~ ,Mg~(2 )/NO~-_3,Cl~-,SO~(2-)_4-H_2O system using the Pitzer ion-interaction approach,Pitzer parameters for nitrates NaNO_3,KNO_3,Mg(NO_3)_2 are necessary.They were given for concentration up to 6 mol in the original papers of Pitzer and co-workers.Thermodynamics data sources of nitrates and their evaluation are described in details.New sets of Pitzer parameters for the three nitrates are presented in this paper.
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