参考文献:10.1007/s10967-012-2306-9 摘要:Makrlík E, Vaňura P, Selucký P. Solvent extraction of europium trifluoromethanesulfonate into nitrobenzene by using three electroneutral receptors. Journal of Radioanalytical and Nuclear Chemistry. 2012 Nov 01;296(3):1349–52. doi: 10.1007/s10967-012-2306-9.