in water addn. of RbBr to C5H5NHBF4; extn. of pyridine with CHCl3, pptn., filtration, washing with a water-alcohol mixture, drying in a hot air oven (about 105°C), elem. anal.;
参考文献
Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical & Analytical, , vol. 27, p. 759 - 763