in hydrogenchloride dissolving oxide in aq. HCl, pptn. with excess aq. NH4F, filtration, drying, dehydration on heating ppt. with excess powdered NH4F to 360°C in a dry stream of He or Ne (O2-free) for 5h;;
in neat (no solvent) byproducts: H2O; formation of hydrated compound with moist HF at 150-250°C, dehydration at 350-550.degreee.C with dry HF containing 10percent H2;;
ammonia; EDTA; HCl in ethanol; water High Pressure; to a soln. of metal salt with EDTA at pH 2-3 (HCl, NH3) added a water/ethanol soln. of NH4F, treated at 180°C for 20 h; cooled to room temp., ppt. filtered, washed (water), dried (80°C,air); XRD;
参考文献
European Journal of Inorganic Chemistry, , # 11 p. 2186 - 2191
ethylenediaminetetraacetic acid in water High Pressure; a soln. of NaF and NH4HF2 added to a soln. of Pr(NO3)3 and ethylenediaminetetraacetic acid, crystd. hydrothermally at 140°C for 14 h;
参考文献
Zhuang, Jianle; Liang, Lifang; Sung, Herman H. Y.; Yang, Xianfeng; Wu, Mingmei; Williams, Ian D.; Feng, Shouhua; Su, Qiang
Inorganic Chemistry, 2007 , vol. 46, # 13 p. 5404 - 5410
in tetrahydrofuran Sn complex added to a soln. of Pr salt, stirred overnight; concd., filtered off, evapd. (vac.), dissolved in CH2Cl2, crystd. at -30°C; elme. anal.;
参考文献
Svec, Petr; Padelkova, Zdenka; Cernosek, Zdenek; Proft, Frank De; Ruzicka, Ales
Journal of Organometallic Chemistry, 2008 , vol. 693, # 17 p. 2937 - 2941
