用Pitzer模型计算NaCl-NH_4Cl-H_2O体系的冰点
Calculating freezing point of NaCl-NH_4Cl-H_2O system by Pitzer model
作者:魏箫箫;高洁;吕芳君;黄宇;詹先成;
Author:
收稿日期: 年卷(期)页码:2017,32(02):-193-195
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:NaCl-NH_4Cl-H_2O三元体系;冰点;Pitzer模型;空气湿度冰点测定法;步冷曲线冰点测定法
Key words:
基金项目:国家自然科学基金资助项目(批准号:81273444)
中文摘要
目的用Pitzer模型计算NaCl-NH_4Cl-H_2O三元体系的冰点。方法根据Pitzer模型,从浓度计算溶液的冰点值,并将计算结果与空气湿度冰点测定法、步冷曲线冰点测定法的测量值比较。结果三种方法所测冰点值一致。结论 NaClNH_4Cl-H_2O三元体系的冰点值可由Pitzer模型通过溶液浓度计算得到。
参考文献
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