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HEAT-CAPACITIES, HEATS OF DILUTION AND APPARENT MOLAL ENTHALPIES OFQUATERNARY SYSTEMS OF THE BRINE CONTAINING LITHIUM AT 298.15K
LI, JC; ZHAI, ZX; ZENG, ZM
1995
发表期刊INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL
ISSN0376-4710
卷号34期号:2页码:137-141
摘要Heat capacities and heats of dilution of LiCl-NaCl-KCl-H2O, LiCl-NaCl-MgCl2-H2O and LiCl-KCl-MgCl2-H2O quaternary systems have been measured in the range of ionic strength from 19 to 0.1 at 298.15K. The data of the heat of dilution have been extrapolated to infinite dilution by use of the Debye-Huckel limiting law to obtain relative apparent molal enthalpies over the ionic strength from 19 to 0.0001. The results show that the heats of dilution are negative which means that dilution process of the various systems are exothermic. When ionic strengths are high, the values of heat capacities are smaller and the values of apparent molal enthalpies are greater. All these systems are similar to single electrolyte solution of alkaline earth metal in heat effect. Heat capacities and heats of dilution of LiCl-NaCl-KCl-H2O, LiCl-NaCl-MgCl2-H2O and LiCl-KCl-MgCl2-H2O quaternary systems have been measured in the range of ionic strength from 19 to 0.1 at 298.15K. The data of the heat of dilution have been extrapolated to infinite dilution by use of the Debye-Huckel limiting law to obtain relative apparent molal enthalpies over the ionic strength from 19 to 0.0001. The results show that the heats of dilution are negative which means that dilution process of the various systems are exothermic. When ionic strengths are high, the values of heat capacities are smaller and the values of apparent molal enthalpies are greater. All these systems are similar to single electrolyte solution of alkaline earth metal in heat effect.
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/2403
专题青海盐湖研究所知识仓储
中国科学院青海盐湖研究所
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LI, JC,ZHAI, ZX,ZENG, ZM. HEAT-CAPACITIES, HEATS OF DILUTION AND APPARENT MOLAL ENTHALPIES OFQUATERNARY SYSTEMS OF THE BRINE CONTAINING LITHIUM AT 298.15K[J]. INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL,1995,34(2):137-141.
APA LI, JC,ZHAI, ZX,&ZENG, ZM.(1995).HEAT-CAPACITIES, HEATS OF DILUTION AND APPARENT MOLAL ENTHALPIES OFQUATERNARY SYSTEMS OF THE BRINE CONTAINING LITHIUM AT 298.15K.INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL,34(2),137-141.
MLA LI, JC,et al."HEAT-CAPACITIES, HEATS OF DILUTION AND APPARENT MOLAL ENTHALPIES OFQUATERNARY SYSTEMS OF THE BRINE CONTAINING LITHIUM AT 298.15K".INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL 34.2(1995):137-141.
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