ISL OpenIR  > 青海盐湖研究所知识仓储
Thermochemistry of potassium strontium tetraborate decahydrate
Lixia, Zhu; Jiang, Wang; Qi, Wang
AbstractThe enthalpies of solution of K2Sr[B4O5(OH)(4)](21)center dot 10H(2)O(cr) in approximately 1 mol dm(-1) aqueous hydrochloric acid and of SrCl2 center dot 6H(2)O(cr) in aqueous solution (hydrochloric acid + boric acid + potassium chloride) were measured by solution calorimetry. From these results and other data, the standard molar enthalpy of formation Delta H-f(m)o of K2Sr[B4O5(OH)4](2)center dot 10H(2)O(cr) has been derived to be -(10904.47 +/- 6.46) U mol(-1) at 298.15 K. According to a group contribution method, the standard molar Gibbs free energy Delta(f)G(m)(o). and the standard molar entropy S-m(o) of (KSr)-Sr-2[B4O5(OH)(4)](2)center dot 10H(2)O(cr) were also calculated to be -9690.78 U mol(-1) and 858.31 J K-1 mol-1 at 298.15 K. (c) 2007 Elsevier B.V. All rights reserved.
KeywordK2sr[B4o5(Oh)(4)]2 Center Dot 10h(2)o Standard Inolar Enthalpy Of Formation Solution Calorimetry Molar Enthalpy Of Solution Aqueous Hydrochloric Acid Solution
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000250883900012
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Document Type期刊论文
Affiliation1.Xidian Univ, Sch Sci, Xian 710071, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
Recommended Citation
GB/T 7714
Lixia, Zhu,Jiang, Wang,Qi, Wang. Thermochemistry of potassium strontium tetraborate decahydrate[J]. THERMOCHIMICA ACTA,2007,464(1-2):83-85.
APA Lixia, Zhu,Jiang, Wang,&Qi, Wang.(2007).Thermochemistry of potassium strontium tetraborate decahydrate.THERMOCHIMICA ACTA,464(1-2),83-85.
MLA Lixia, Zhu,et al."Thermochemistry of potassium strontium tetraborate decahydrate".THERMOCHIMICA ACTA 464.1-2(2007):83-85.
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