Solubility of Refrigerant 1,1,1,2-Tetrafluoroethane in the N,N-Dimethyl Formamide in the Temperature Range from (263.15 to 363.15) K Han, X.; Gao, Z.; Xu, Y.; Qiu, Y.; Min, X.; Cui, X.; Chen, G.; Journal of Chemical & Engineering Data 2011, 56, 1821-1826