戈海文,王敏

• 1:中国科学院青海盐湖研究所中国科学院盐湖资源综合高效利用重点实验室
• 2:青海省盐湖资源化学重点实验室

摘要(Abstract)：

采用U型振荡管密度仪测定LiB(OH)_4(质量摩尔浓度为0.03～0.97mol×kg~(-1))和LiB_5O_6(OH)_4(质量摩尔浓度为0.03～1.13mol×kg~(-1))溶液在288.15～323.15K下的密度,分别计算出LiB(OH)_4和LiB_5O_6(OH)_4在不同浓度和温度下的表观摩尔体积。基于密度测定结果,应用Pitzer电解质溶液离子相互作用表观摩尔体积模型,拟合获得LiB(OH)_4和LiB_5O_6(OH)_4在不同温度下的Pitzer单盐参数,并分别给出Pitzer单盐参数与温度的关联式。

关键词(KeyWords)： 偏硼酸锂;五硼酸锂;表观摩尔体积;Pitzer模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41503061)

作者(Author): 戈海文,王敏

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