高校化学工程学报Issue(5)：939-943,5.DOI:10.3969/j.issn.1003-9015.2014.05.001
三元体系NaBr-Na2SO4-H2O 和 NaBr-KBr-H2O 373 K相平衡
Phase Equilibria of Two Ternary Systems NaBr-Na2SO4-H2O and NaBr-KBr-H2O at 373 K
摘要
Abstract
Phase equilibria of two ternary systems NaBr-Na2SO4-H2O and NaBr-KBr-H2O at 373 K were studied by an isothermal solution saturation method. The solubility and density of these systems were determined experimentally and related phase diagrams were obtained. The results show that the two systems are both of simple type with no complex salts or solid solutions formed. Both of the phase diagrams show that they have one eutectic point, two univariant curves and two regions of crystallization. The solid phase in NaBr-Na2SO4-H2O is cpmposited of sodium bromide(NaBr) and sodium sulfate(Na2SO4), while sodium bromide(NaBr) and potassium bromide(KBr) are the components of the solid phase of NaBr-KBr-H2O. Density change of the two systems was discussed.关键词
相平衡/溶解度/溴化钾/硫酸钠/溴化钠Key words
phase equilibrium/solubility/potassium bromide/sodium sulfate/sodium bromide分类
化学化工引用本文复制引用
桑世华,崔瑞芝,胡咏霞..三元体系NaBr-Na2SO4-H2O 和 NaBr-KBr-H2O 373 K相平衡[J].高校化学工程学报,2014,(5):939-943,5.基金项目
国家自然科学基金(41373062,40973047) （41373062,40973047）
高等学校博士学科点专项科研基金(20125122110015) （20125122110015）
中国科学院盐湖资源与化学重点实验室开放基金资助(KLSLRC-KF-13-DX-1) （KLSLRC-KF-13-DX-1）
四川省青年科技创新团队(2013TD0005)资助。 （2013TD0005）
