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RE acetylacetone Synthesis and Characterization


Material thermal analysis data: Table 5 Thermal analysis of the data * in brackets the theoretical value of the thermal analysis of rare earth complexes curve similar to each other, indicating the complex structure of the same. Thermal analysis of this complex is divided into two main processes: dehydration and decomposition process. From room temperature to 180 ℃ for the dehydration of the complex process of mapping from the thermal analysis we can see, the complex began in the 70 ~ C in the vicinity of weightlessness, when the temperature rises to 18O ℃, the dehydration is almost entirely. Calculate the rate of dehydration of crystal water complexes in the percentage match. From about 200 ℃ to 600 ℃ range of complex decomposition process. In the thermal analysis patterns, we can see from 2oo ~ c to 4oo'c, slow curve, the complex is relatively stable, to 5oo ~ c so significant decomposition of the complex began, when the temperature tends to 800 ℃,######## oakley sunglasses, is completely decomposed into the corresponding rare earth oxides (Ln: 0.). 4 Conclusion We have through the five rare earth elements (Pr, Nd, Gd, Ho, Er) rare earth oxides prepared acetylacetone complexes. By elemental analysis,Beats By Dre Studio, IR and thermal analysis to characterize them. Determine the synthesis of complex chemical composition of Ln (acac). · 3H: O. References 1 Ruo-Jie Tao, Yong Lou the possession of wealth and so on. Bridged rare earth-transition metal complexes of different quad-core magnetic and electrochemical studies. Chinese Rare Earth Society, 2003.21 (2): 1O5-1O8.2 Liu Dewen, Po Chun-yun. Rare Earth, complex organic ligand ternary mixture Synthesis and luminescence properties. China Lighting. 1998.7:5291.3 Kung, Chen Pei-heng and so on. Course dehydration of lanthanum chloride heptahydrate from decompression and thermal effects. Chinese Rare Earth Society, 1985.3 (6) :13-15.4 Liu hair. Acetyl acetone 5,10,15,2 O one hundred forty-one (4-chlorophenyl) porphyrin complexes of rare earth preparation and properties. Chemical Journal, 1985,6 (7) :569-572.5 Chemical Society of Japan ed. An Jiaju, Chen JII translation. Synthetic Inorganic Chemistry Handbook (Volume II). Beijing, Chemical Industry Press, 1981.6Pope, G. W. Steinbach. J. FandWagner,Salvatore Ferragamo outlet, W. F, J. Inorg. Nuc1. Chem. , 20,304 (1961). 7 Liu hair, apply as such. Water, acetic acid, acetyl acetone mixed with a bit heavy rare earth binuclear complex synthesis and properties. Chinese Rare Earth Society, 1986.9.1.8 Shencheng, Fan Yuguo and so on. Gadolinium, terbium, erbium, thulium Sanshui acetylacetone complex crystal structure and molecular structure. Chemical Science, 1983.6.769.9 Qing-De Su, high-kun show, mold, etc. Diketone complexes of rare earth doped silica photoacoustic spectroscopy and fluorescence spectroscopy. Chemical Science ,1998,4:526-529 .1 O Xie Jingxi, Jun-Biao Chang, WANG Xu-Ming, infrared spectroscopy in organic chemistry and medicinal chemistry applications. Beijing, Science Press, 2001.1l Lee was,diesel store paris, Shi Nai, Wei Quan, Wu Jin-Guang. Seventh National Colloquium Proceedings of molecular spectroscopy, 1992.12 Liangying Qiu, Liu Ju-Zheng, Liu hair, Zhao Nian, Wang Yu days. Chemical Journal, 1981.2.13 Chengjia Hao. Synthesis and Application of acetylacetone. Chemical Industry Times ,1994.7:7-11.14 Zhang Jimei, Wang Jiankun, Ma Yijing. RE pentanedione propylene oligomerization of synthetic and catalytic studies. Basic Sciences Journal of Textile Universities, 1997.10 (1) :59-64.15 Ni Ka Zan. China Rare Earth Chemistry progress. Chinese Rare Earth Society, 1983.1 (1) :6-12.16 Liu Wei, Zhang Hongchuan, JIANG Jian Zhuang. Rare earth and transition metal phthalocyanine, porphyrin synthesis of molecular magnets, structural characteristics and applications. Chinese Rare Earth Society, 2001.20 (1) :1-1O. 17 Yi Chen Long, Li hearing students, Zhang and so on. Four new dione and Y Synthesis and characterization. Rare Earth, 2004.12 (6) :87-9O. 18 Liang Lifang, Li Yuan Ying, Yang Yansheng. Benzoyl trifluoroacetyl acetone and neodymium, holmium, erbium Synthesis and UV spectra. Guangxi Teachers College, 1995.12 (2) :58-64.19 Zhuangshan Ming, Huang Zuen,knock off oakleys, high clouds. Lanthanum, praseodymium, neodymium, samarium and gadolinium allyl 2-methyl-12 a dimethoxyethane complexes synthesis. Organic Chemistry. 1994.14:376-379.2 O Gu Yun Li. Ln (TDBM) 4 [C5H11NJH Synthesis and Properties. South China University of Technology, 1994.22 (1) :114 - 1l9.
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