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Thermochemistry of dipotassium calcium octaborate dodecahydrate
Jia, YZ; Li, J; Gao, SY; Xia, SP
1999-09-06
发表期刊THERMOCHIMICA ACTA
卷号335期号:1-2页码:1-4
文章类型Article
摘要The enthalpies of solution of K2O . CaO . 4B(2)O(3). 12H(2)O in approximately 1 mol dm(-3) aqueous hydrochloric acid, and of KCl in aqueous (hydrochloric acid+boric acid+calcium oxide) were determined. Together with the previously determined enthalpies of solution of H3BO3 in approximately 1 mol dm(-3) HCl(aq), and of CaO in aqueous (hydrochloric acid+boric acid), the standard molar enthalpy of formation of -(10308.00+/-6.56) kJ mol(-1) for K2O . CaO . 4B(2)O(3). 12H(2)O was obtained from the standard molar enthalpies of formation of CaO(s), H3BO3(s), KCl(s), and H2O(l). The standard molar entropy of formation of K2O . CaO . 4B(2)O(3). 12H(2)O was calculated from the thermodynamic relation with the standard molar Gibbs free energy of formation of K2O . CaO . 4B(2)O(3). 12H(2)O computed from the group contribution method. (C) 1999 Elsevier Science B.V. All rights reserved.
关键词K2o Center Dot Cao Center Dot 4b(2)o(3)Center Dot 12h(2)o Standard Molar Enthalpy Of Formation Solution Calorimetry Molar Enthalpy Of Solution Aqueous Hydrochloric Acid Solution
WOS标题词Science & Technology ; Physical Sciences
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Analytical ; Chemistry, Physical
WOS记录号WOS:000083073100001
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6020
专题青海盐湖研究所知识仓储
作者单位1.Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
推荐引用方式
GB/T 7714
Jia, YZ,Li, J,Gao, SY,et al. Thermochemistry of dipotassium calcium octaborate dodecahydrate[J]. THERMOCHIMICA ACTA,1999,335(1-2):1-4.
APA Jia, YZ,Li, J,Gao, SY,&Xia, SP.(1999).Thermochemistry of dipotassium calcium octaborate dodecahydrate.THERMOCHIMICA ACTA,335(1-2),1-4.
MLA Jia, YZ,et al."Thermochemistry of dipotassium calcium octaborate dodecahydrate".THERMOCHIMICA ACTA 335.1-2(1999):1-4.
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