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题名: Crystal Structures and Thermochemical Properties of n-Nonylammonium Dihydrogen Phosphate C9H19NH3 center dot H2PO4(s) and n-Octylammonium Dihydrogen Phosphate C81H17NH3 center dot H2PO4(s)
作者: Zhang, Li-Jun1;  Tan, Zhi-Cheng2;  Chen, Jing-Tao3;  Di, You-Ying1
刊名: JOURNAL OF CHEMICAL AND ENGINEERING DATA
发表日期: 2011-12-01
DOI: 10.1021/je200352g
卷: 56, 期:12, 页:4491-4498
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The crystal structures of n-nonylammonium dihydrogen phosphate and n-octylammonium dihydrogen phosphate were determined by X-ray crystallography. Lattice potential energies of the compounds were obtained from the crystallographic data. The molar enthalpies of dissolution of the two compounds at various molalities in the double-distilled water were measured at T = 298.15 K by means of an isoperibol solution-reaction calorimeter, respectively. According to the Pitzer's electrolyte solution theory, the standard molar enthalpies of dissolution of the two compounds at infinite dilution were determined to be 34.50 kJ.mol(-1) and 22.32 kJ.mol(-1), and the Pitzer's parameters beta((0)L)(ML) and beta((1)L)(MX) were obtained. The values of apparent relative molar enthalpies (L-Phi) of the title compounds and relative partial molar enthalpies ((L) over bar (2) and (L) over bar (1) of the solute and the solvent at different concentrations were derived from the experimental values of the enthalpies of dissolution of the two compounds.
语种: 英语
WOS记录号: WOS:000297608800033
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142524
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaocheng Univ, Coll Chem & Chem Engn, Shandong Prov Key Lab Chem Energy Storage & Novel, Liaocheng 252059, Shandong, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab & Thermochem Lab, Dalian 116023, Peoples R China
3.Shanxi Educ Coll, Dept Chem, Xian 710061, Peoples R China

Recommended Citation:
Zhang, Li-Jun,Tan, Zhi-Cheng,Chen, Jing-Tao,et al. Crystal Structures and Thermochemical Properties of n-Nonylammonium Dihydrogen Phosphate C9H19NH3 center dot H2PO4(s) and n-Octylammonium Dihydrogen Phosphate C81H17NH3 center dot H2PO4(s)[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2011,56(12):4491-4498.
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