in melt
High Pressure; mixed hydroxide (NaOH/KOH) and NiCl2*6H2O grinded and placed in Teflon-lined autoclave with cover; autoclave put in furnace (temp. 200-250°C); compd. washed with water, hot water and ethanol; XRD, ED;
参考文献
An, Changhua; Wang, Ranran; Wang, Shutao; Liu, Yunqi
Materials Research Bulletin, 2008 , vol. 43, # 10 p. 2563 - 2568
in methanol
dissolving of Zn(OAc)*2H2O and Ni(OAc)2*H2O in MeOH with stirring for 2 h at room temp.; reflux of KOH in MeOH for 2 h at 50°C; mixing ofsolns. with stirring for 2 h; reflux at 50°C; cooling to room te mp.; aging overnight; centrifuging and washing several times with EtOH and H2O; drying in vac.oven for 24 h at 50°C;
参考文献
Sharma, Prashant K.; Dutta, Ranu K.; Pandey, Avinash C.
Journal of Magnetism and Magnetic Materials, 2009 , vol. 321, # 20 p. 3457 - 3461
in ethanol
oxalic acid dissolved in EtOH and this soln. added dropwise into soln. of Ni(NO3)2*6H2O in EtOH; ppt. sepd. by filtration and then washed with ethanol and water several cycles; solid dried at 100°C for 12 h and calcined at 400°C for 4 h;
in neat (no solvent)
LiOH*H2O and Ni acetate separately dissolved in H2O; mixed; pH adjusted to 8.5-9.5; heated at 110°C until they were dry; calcined at 300-500°C; monitored by X-ray diffraction;
