in neat (no solvent) heating at 150°C in a closed tube for 24 hours;;
参考文献
Journal of the American Chemical Society, , vol. 76, p. 5249 - 5250
Inorganic Chemistry, , vol. 5, p. 37 - 42
Sc: MVol.C2, 5.6.2.2.1, page 233 - 233
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反应条件
in water nitrates of Ba and Y and a basic nitrate of Cu obtained on treatment of CuO, BaCO3 and Y2O3 with HNO3; soln. evapd. to dryness; X-ray diffraction;
参考文献
Applied Physics Letters, , vol. 52, p. 163 - 165
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反应条件
in nitric acid byproducts: H2O; dissoln.;
参考文献
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), , vol. 40, p. 862 - 866
Zhurnal Neorganicheskoi Khimii, , vol. 40, p. 894 - 898
in ethanol nitrate salt was dissolved and mixed with soln. of silicate in 1:1 mol. ratio, soln. was stirred at 40°C until gel was formed, xerogel was obtained by drying gel 24 h at 60°C, ground, heated to 500°C 1 h, then to 1300°C 24 h; XRD;
参考文献
Journal of the American Ceramic Society, , vol. 94, # 5 p. 1568 - 1574
aq. NH3; ethylenediamine; tetraethoxysilane in water Sonication; to soln. of stoich. mixt. of Y(NO3)3, Al(NO3)3 and Ce(NO3)3 added soln. of NH4OH and soln. of EDA with stirring and ultrasonic agitation; sol dried, ground and Si(OEt)4 added; sample dried, heated at 450 for 2 h, andcalcined at 1000°C for 3-4 h; not isolated, detn. by XRD;
aq. NH3; ethylenediamine; tetraethoxysilane in water Sonication; to soln. of stoich. mixt. of Y(NO3)3 and Al(NO3)3 added soln. of NH4OH and soln. of EDA with stirring and ultrasonic agitation; sol dried, ground and Si(OEt)4 added; sample dried, heated at 450 for 2 h, and calcined at 1000°C for 3-4 h; not isolated, detn. by XRD;
sodium linoleate; linoleic acid in ethanol; water High Pressure; Na linoleate, linoleic acid and EtOH mixed under agitation; aq. soln. ofY(NO3)3 and NH4HF2 added; agitated for ca. 5 min; transefrred to autocl ave; sealed; hydrothermally treated at 100-200°C for 8-10 h; cooled to room temp.; deposit dispersed in cyclohexane; EtOH added; centrifuged; powder purified with EtOH several times; detd. by X-ray powder diffraction and electron microscopy; YF3 nanocrystals obtained;
sodium linoleate; linoleic acid in ethanol; water High Pressure; Na linoleate, linoleic acid and EtOH mixed under agitation; aq. soln. ofY(NO3)3 and NaF added; agitated for ca. 5 min; transefrred to autoclave ; sealed; hydrothermally treated at 100-200°C for 8-10 h; cooled to room temp.; deposit dispersed in cyclohexane; EtOH added; centrifuged; powder purified with EtOH several times; detd. by X-ray powder diffraction and electron microscopy; YF3 and NaYF4 nanocrystals obtained;
