Heat capacities of the rare-earth complex with glycine [Ho(Gly)_3Cl_3·3H_2O] were measured with a high-precision automatic adiabatic calorimeter over the temperature range from 78 to 348 K. In the experimental temperature range, the heat capacities increased in a smooth and continuous manner and no phase transition or thermal anomaly occurred. Therefore, the sample was stable in the above temperature range. The values of experimental heat capacities were fitted to a polynomial equation with least square method and the thermodynamic functions, (H_r-H_(298.15)) and (S_t-E_(298.15)), were calculated.
参考文献
| [1] | Anghileri L J .Oil the antitumor activity of gallium and lantha-nides[J].Arzneim-Forsch,1975,25:793. |
| [2] | Zhiping Zheng .Ligand-controlled self-assembly of polynuclear lanthanide-oxo/hydroxo complexes: from synthetic serendipity to rational supramolecular design[J].Chemical communications,2001(24):2521-2529. |
| [3] | Xu H.;Chen L. .Study on the complex site of L-tyrosine with rare-earth element Eu3+[J].Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy,2003(4):657-662. |
| [4] | Takada J;Nishimura K;Akaboshi M .Element content in a number of plant leaves and accumulation of some elements in typical plant species[J].Journal of Radioanalytical and Nuclear Chemistry,1997,217:65. |
| [5] | Glowiak T;Legendziewicz J;Huskowska E;Gawryszewska P .Ligand chirality effect on the structure and its spectroscopic consequences in[Ln_2(Ala)_4(H_2O)_8](ClO_4)_6[J].Polyhedron,1996,15:2939. |
| [6] | Csoregh L;Kierkegaard P;Legendziewicz J;Huskowska E .Crystal structure of a praseodymium glutamate perchlorate hydrate,Pr_2(L-Glu)_2(ClO_4)_4@11H_2O[J].Acta Chemica Scandinavica,1987,A41:453. |
| [7] | 张景楠,谭志诚,刘北平,史全,童波.Sm（Val）Cl3·6H2O低温热容及热化学性质[J].物理化学学报,2008(08):1378-1382. |
| [8] | Shi Q;Tan ZC;Di YY;Tong B;Li YS;Wang SX .Thermal analysis and calorimetric study of 4-dimethylaminopyridine[J].Journal of Chemical and Engineering Data: the ACS Journal for Data,2007(3):941-947. |
| [9] | Tong B;Tan ZC;Shi QA;Li YS;Yue DT;Wang SX .Thermodynamic investigation of several natural polyols (I): Heat capacities and thermodynamic properties of xylitol[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2007(1/2):20-26. |
| [10] | Jin T Z;Yang C Q;Yang Q Z;Wu J G Xu G X .Studies on rare earth complexes of aminoacids (I) synthesis and crystal structure of triglycinato-diaquo-praseodymium chlorides[J].Chem J Chin Univ,1989,10(02):118. |
| [11] | Tan Z C;Sun L X;Meng S H;Li L Zhang J B .Heat capaci-ties and thermodynamic functions of p-chlorobenzoic acid[J].Chem J Chin Univ,2002,34:1417. |
| [12] | Tan ZC.;Song YJ.;Wang L.;Han JR.;Liu YS.;Wang M.;Nie DZ.;Sun GY. .An adiabatic calorimeter for heat capacity measurements of small samples - The heat capacity of nonlinear optical materials KTiOPO4 and RbTiOAsO4 crystals[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2000(0):247-253. |
| [13] | 谭志诚,邸友莹.近代低温绝热量热学的研究现状及发展前景[J].化学进展,2006(09):1234-1251. |
| [14] | Archer D G .Thermodynamic properties of synthetic sapphire (α-Al_2O_3),standard reference material 720 and the effect of temperature-scale differences on thermodynamic properties[J].Journal of Physical and Chemical Reference Data,1993,22:1441. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%