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Thermochemistry of ulexite
Chen, RY; Li, J; Xia, SP; Gao, SY
1997-11-17
Source PublicationTHERMOCHIMICA ACTA
Volume306Issue:1-2Pages:1-5
SubtypeArticle
AbstractThe enthalpy of solution of ulexite NaCa[B5O6(OH)(6)]5 . H2O in approximate to 1 mol dm(-3) aqueous hydrochloric acid has been measured. From this result and the enthalpies of solution of H(3)BO(0)3 in HCl(aq), of CaO in aqueous (hydrochloric acid + boric acid), and of NaCl in aqueous (hydrochloric acid + boric acid + calcium oxide), the standard molar enthalpy of formation of ulexite of -6762.24 +/- 4.22 kJ mol(-1) has been obtained. The standard molar entropy of formation of ulexite was calculated from the thermodynamic relation with the standard molar Gibbs free energy of formation of ulexite computed from its solubility in water. (C) 1997 Elsevier Science B.V.
KeywordMolar Enthalpy Of Solution Solution Calorimetry Standard Molar Enthalpy Of Formation Ulexite
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000071274500001
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6005
Collection青海盐湖研究所知识仓储
Affiliation1.Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Shaanxi Prov, Peoples R China
Recommended Citation
GB/T 7714
Chen, RY,Li, J,Xia, SP,et al. Thermochemistry of ulexite[J]. THERMOCHIMICA ACTA,1997,306(1-2):1-5.
APA Chen, RY,Li, J,Xia, SP,&Gao, SY.(1997).Thermochemistry of ulexite.THERMOCHIMICA ACTA,306(1-2),1-5.
MLA Chen, RY,et al."Thermochemistry of ulexite".THERMOCHIMICA ACTA 306.1-2(1997):1-5.
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