in neat (no solvent) passing a dry HF-stream over La2O3 first at 300°C then at 500°C, 8h;; polycryst. product;;
参考文献
Gmelin Handbook: Sc: MVol.C3, 6.2.5.3.1.1.1, page 154 - 155
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anonymous
N. S. A., Ames, Iowa ISC-453 (1957) 1/48 1958 , vol. 12, p. 1982
in neat (no solvent) at room temp. in presence of moisture, (in absence of moisture not quantitative react.);;
参考文献
Popov, A. I.; Knudson, E. G.
Journal of the American Chemical Society, 1954 , vol. 76, p. 3921 - 3922
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Gmelin Handbook: Sc: MVol.C3, 6.2.2.1.8, page 38 - 38
ethylenediaminetetraacetic acid in water High Pressure; a soln. of NaF and NH4HF2 added to a soln. of La(NO3)3 and ethylenediaminetetraacetic acid, crystd. hydrothermally;
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
potassium chloride; lithium chloride in melt byproducts: {LaFCl5}(3-), {LaF2Cl4}(3-), {LaF3Cl3}(3-); formation in an eutectic melt-mixture of LiCl-KCl containing 2.5 to 20molpercent LiF on anodic dissolving of La; determination of complex formation constant in melt;;
参考文献
Tr. Inst. Elektrokhim. Akad. Nauk SSSR Ural'sk. Filial.Nr., , vol. 6, p. 29 - 37
C. A., , vol. 63, p. 14129
in ethanol; water High Pressure; LaCl3 dissolved in H2O, transferred into autoclave, EtOH soln. of NaF injected into autoclave; agitated for 5 min; sealed, solvothermally treated at 190°C for 24 h; collected by centrifugation, washed with anhydrous EtOH for several times, dried at 60°C;
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Journal of Alloys and Compounds, , vol. 509, # 5 p. 1964 - 1968
Eu(CH3COO)3*nH2O in ethanol; water; N,N-dimethyl-formamide dropping soln. of rare earth acetates in aq. CF3COOH to soln. of Si(OEt)4 and DMF in ethanol, stirring for 1 d at room temp., spin-coating soln.on silica-glass substrate at 2650 rpm, heating it at temps. between 300 and 500°C for 10 min in air; X-ray diffraction anal.;
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Journal of the American Ceramic Society, , vol. 84, # 11 p. 2716 - 2718
