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Synthesis, characterization and thermodynamic properties of NaCs[B4O5(OH)(4)]center dot 4H(2)O
Zhao, Fengying1,2; Zhou, Jianguo1; Yang, Qian3; Yang, Lin1; Song, Shili1; Xia, Shuping4; Gao, Shiyang1,4
2009-02-10
Source PublicationTHERMOCHIMICA ACTA
Volume483Issue:1-2Pages:70-72
SubtypeArticle
AbstractThe crystalline form of a new tetraborate, NaCs[B4O5(OH)(4)]center dot 4H(2)O was synthesized and characterized. The enthalpies of solution of NaCs[B4O5(OH)(4)]center dot 4H(2)O in approximately 1 mol dm(-3) HCl(aq) and of CsCl in aqueous (HCl + H3BO3 + NaCl) were determined. From these results and the enthalpy of solution of H3BO3 in approximately 1 mol dm(-3) HCl(aq), the enthalpy of solution of NaCl(s) in aqueous (HCl + H3BO3) and the standard molar enthalpies of formation of NaCl(s), CsCl(s), H3BO3(s) and H2O(1), the standard molar enthalpy of formation for NaCs[B4O5(OH)(4)]center dot 4H(2)O as being -(5140.55 +/- 1.94) kJ mol(-1). The standard molar entropy of formation of NaCs[B4O5(OH)(4)]center dot 4H(2)O was calculated from the thermodynamic relation with the standard molar Gibbs free energy of formation of NaCs[B4O5(OH)(4)]center dot 4H(2)O computed from a group contribution method. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved.
KeywordNacs[B4o5(Oh)(4)]Center Dot 4h(2)o Standard Molar Enthalpy Of Formation Solution Calorimetry Molar Entropy Of Solution
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordCALCIUM OCTABORATE DODECAHYDRATE ; CRYSTAL-STRUCTURE ; THERMAL-BEHAVIOR ; THERMOCHEMISTRY ; TETRABORATE ; PENTABORATE
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000263220300013
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5896
Collection青海盐湖研究所知识仓储
Affiliation1.Henan Normal Univ, Coll Chem & Environm Sci, Xinxiang 453007, Peoples R China
2.Henan Normal Univ, Inst Sci & Technol, Xinxiang 453007, Peoples R China
3.Shaanxi Normal Univ, Inst Appl Chem, Xian 710069, Peoples R China
4.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Fengying,Zhou, Jianguo,Yang, Qian,et al. Synthesis, characterization and thermodynamic properties of NaCs[B4O5(OH)(4)]center dot 4H(2)O[J]. THERMOCHIMICA ACTA,2009,483(1-2):70-72.
APA Zhao, Fengying.,Zhou, Jianguo.,Yang, Qian.,Yang, Lin.,Song, Shili.,...&Gao, Shiyang.(2009).Synthesis, characterization and thermodynamic properties of NaCs[B4O5(OH)(4)]center dot 4H(2)O.THERMOCHIMICA ACTA,483(1-2),70-72.
MLA Zhao, Fengying,et al."Synthesis, characterization and thermodynamic properties of NaCs[B4O5(OH)(4)]center dot 4H(2)O".THERMOCHIMICA ACTA 483.1-2(2009):70-72.
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