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Thermochemistry of Zn(AA)SO4 center dot H2O(s) (AA = L-alpha-valine and methionine)
Di, YY; Tan, ZC; Gao, SL; Sun, LX
关键词Isoperibol Temperature-rise Calorimetry Valine And Methionine Complexs Of Zn(Ii) Molar Enthalpy Of Dissolution Molar Enthalpy Of Formation
刊名THERMOCHIMICA ACTA
2005-10-01
DOI10.1016/j.tca.2005.04.031
436期:1-2页:150-152
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]STANDARD MOLAR ENTHALPY ; CALORIMETER
英文摘要The standard molar enthalpies of dissolution of {ZnSO(4)(.)7H(2)O(S)+Val(s)}, {ZnSO(4)(.)7H(2)O(S)+Met(s)}, Zn(Val)(SO4H2O)-H-.(s) and Zn(Met)SO4-H2O(S) (where Val is L-alpha-valine and Met is L-alpha-methionine) in 2 mol dm(-3) HCl at T = 298.15 +/- 0.001 K have been measured to be Delta(d)H(m,l)degrees = 94.588 +/- 0.025 kJ mol(-1), Delta(d)H(m,3)degrees = -46.118 +/- 0.055 kJ mol(-1), Delta(d)H(m,4)degrees = -70.619 +/- 0.051 kJ mol(-1), Delta(d)H(m,5)degrees = 58.415 +/- 0.046 kJ mol(-1), respectively. The derived molar enthalpies of formation of the complexes Zn(Val)(SO4H2O)-H-.(s) and Zn(Met)(SO4H2O)-H-.(s) are Delta(f)H(m)degrees[Zn(Val)(SO4H2O)-H-., s] = -1851 +/- 2 kJ mol(-1) and Delta(f)H(m)degrees[Zn(Met)SO4 (.) H2O, s] = -2069 +/- 0.7 J mol(-1). (c) 2005 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000232179700022
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139932
专题中国科学院大连化学物理研究所
作者单位1.Liaocheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Shandong, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
3.NW Univ Xian, Dept Chem, Xian 710069, Peoples R China
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Di, YY,Tan, ZC,Gao, SL,et al. Thermochemistry of Zn(AA)SO4 center dot H2O(s) (AA = L-alpha-valine and methionine)[J]. THERMOCHIMICA ACTA,2005,436(1-2):150-152.
APA Di, YY,Tan, ZC,Gao, SL,&Sun, LX.(2005).Thermochemistry of Zn(AA)SO4 center dot H2O(s) (AA = L-alpha-valine and methionine).THERMOCHIMICA ACTA,436(1-2),150-152.
MLA Di, YY,et al."Thermochemistry of Zn(AA)SO4 center dot H2O(s) (AA = L-alpha-valine and methionine)".THERMOCHIMICA ACTA 436.1-2(2005):150-152.
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