反应条件
acetic acid, ammonium acetate; ammonium pyrrolidinedithiocarbamate (APDC); 4-methyl-2-pentanone (MIBK) in water Sonication; to Al soln. was added buffer (aq. ammonium acetate, acetic acid, pH ca.4.5), soln. was filtered at room temp., 1percent APDC and 35 mL MIBK were added, soln. was shaken for 1 min, aq. phase was collected, extraction (PH=2.8) repeated three times, HF was added; water was added to ppt., slurry was sonicated for 1 h, water was decanted, washing procedure was repeated three times, ppt. was dried in beaker at 190°C;
参考文献
Journal of the American Ceramic Society, , vol. 94, # 9 p. 2896 - 2901