CaH2 in toluene byproducts: H2; react. under N2, slow addn. of the alcohol via syringe to B(OH)3 (ratio 3:1) and CaH2, cooling in a water bath, slow heating to 80-90°C for 12 h after abating the H2 gas evolution; distn. of the volatile products under reduced pressure (distn. pot temp. <= 120°C), extn. with hot toluene or cyclohexane under N2;
参考文献
Cole, T. E.; Quintanilla, R.; Rodewald, S.
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1990 , vol. 20, p. 55 - 64
multi-walled carbon nanotubes in solid byproducts: CO, H2, H2O; mixt. of multi-walled carbon nanotubes and H3BO3 taken in quartz tube, NH3 gas passed through with 10 sccm flow rate at 200 °C 2 h, temp.slowly raised to 1000 °C for 3 h;
参考文献
Deepak; Vinod; Mukhopadhyay; Govindaraj; Rao
Chemical Physics Letters, 2002 , vol. 353, # 5-6 p. 345 - 352
Ca3N2, hexagonal High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water;
参考文献
Gmelin Handbook: B: B-Verb.1, 1.1.1.1.2.3, page 3 - 4
Full Text Show Details
Lonza-Werke G. m. b. H
Patent: US3473894 , 1969 ;
C.A., 1970 , vol. 72, p. 4792
Ca3N2, hexagonal High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water;
参考文献
Gmelin Handbook: B: B-Verb.1, 1.1.1.1.2.3, page 3 - 4
Full Text Show Details
Lonza-Werke G. m. b. H
Patent: US3473894 , 1969 ;
C.A., 1970 , vol. 72, p. 4792
in neat (no solvent, solid phase) byproducts: Li2O, H2O; under Ar, 600 °C for 1 h, Li3N and H3BO3 were pressed into pellets; cooling to room temp., washing with CS2 and H2O; no nanoring formation;
参考文献
Zhao, Zhengyan; Yang, Zhigang; Wen, Yan; Wang, Yuhua
Journal of the American Ceramic Society, 2011 , vol. 94, # 12 p. 4496 - 4501
