摘要
含盐体系汽液平衡测定的主要困难是含盐液相的平衡组成分析.现有蒸馏法、物料衡算法、补偿法、化学分析法和色谱法.但各种方法一般都存在一些问题.蒸馏法和补偿法手续多,误差较大;色谱法中盐可能被带入色谱柱引起堵塞和腐蚀;化学分析法操作步骤多,有时盐不能完全电离;物料衡算法则需要知道釜体的汽相体积和汽相冷凝液的持液量,而这些因素较难确定准确.目前较多使用的还是物料衡算法.
An ebulliometer was used to measure the vapor-liquid equilibria of etha-nol-ethyl acetate with calcium chloride(4%mass), (10%mass), (12%mass), magnesium perchlorate and copper (II) chloride under atmospheric pressure. The experimental data were correlated with the solvation method presented by the author and the calculated vapor compositions and boiling points were in good agreement with the experimental data.
出处
《化工学报》
EI
CAS
CSCD
北大核心
1991年第1期114-118,共5页
CIESC Journal
