三氟乙酸盐
制备
三氟乙酸盐可以由金属的氧化物、氢氧化物或碳酸盐和三氟乙酸反应得到,如:
- Ag2O + 2 CF3COOH → 2 CF3COOAg + H2O[1]
性质
三氟乙酸盐比相应的乙酸盐更易溶于水,但热稳定性更差。[2][3]
阳离子 | 三氟乙酸盐 | 乙酸盐 |
---|---|---|
Li+ | 250 | 320 380[4] |
Na+ | 210 | 380 385[5] |
K+ | 150 | 390 |
Rb+ | 162 | 380 |
Cs+ | 154 | 380 |
参考文献
- ^ 朱文祥. 无机化合物制备手册. 化学工业出版社, 2006. pp 501. 【XIV-92】三氟醋酸银. ISBN 7-5025-8537-0
- ^ R. Dallenbach, P. Tissot. Properties of molten alkali metal trifluoracetates: Part II. Thermal properties and kinetics of thermal decomposition. Journal of Thermal Analysis. 1981-04, 20 (2): 409–417 [2021-10-20]. ISSN 0022-5215. doi:10.1007/BF01912890 (英语).
- ^ Meisel, T.; Halmos, Z.; Pungor, E. Investigation of the alkaline salts of some acids in molten phase. Periodica Polytechnica, Chemical Engineering, 1973. 17 (1). 89-95.
- ^ G. E. Tobón-Zapata, E. G. Ferrer, S. B. Etcheverry, E. J. Baran. Thermal Behaviour of Pharmacologically Active Lithium Compounds. Journal of Thermal Analysis and Calorimetry. 2000-07-01, 61 (1): 29–35 [2022-02-07]. ISSN 1572-8943. doi:10.1023/A:1010192020465 (英语).
- ^ M. D. Judd, B. A. Plunkett, M. I. Pope. The thermal decomposition of calcium, sodium, silver and copper(II) acetates. Journal of Thermal Analysis. 1974-09, 6 (5): 555–563 [2021-10-20]. ISSN 0368-4466. doi:10.1007/BF01911560 (英语).