in melt Electrolysis; melting in electric oven, by-product some carbide; sepn. of W: electrolysis in 10percent HCl, pptn. of W2Si3 on anode, W remains in soln., washing in aqua regia then NH3; Si removed with HF; carbide removed by sedimentation in methylene iodide;
参考文献
Vigouroux, E.
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1898 , vol. 127, p. 393
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Gmelin Handbook: W: MVol., 2.14, page 204 - 205
in neat (no solvent) incineration of a mixture with Si and PCl5 by ignition of a special blaster;;
参考文献
Mahn, R.
Jena. Z. Med. Naturwiss., 1870 , vol. 5, p. 158 - 166
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Mahn, R.
Zeitschrift fuer Chemie (Stuttgart, Germany), 1869 , vol. 12, p. 729 - 731
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Gmelin Handbook: P: MVol.C, 192, page 441 - 443
in neat (no solvent) Kinetics; evacuated quartz vessel, 700-1000°C, condensation in cold zone; yield depending on educt ratio, reaction time and temperature; product mixt. not sepd., detd. by powder X-ray diffraction and (31)P-NMRspectroscopy;
参考文献
Russian Journal of Inorganic Chemistry (Translation of Zhurnal Neorganicheskoi Khimii), , vol. 39, p. 543 - 545
Zhurnal Neorganicheskoi Khimii, , vol. 39, p. 570 - 572
