at 10E-4-10E-5 Torr, high excess of aromatics, react. container at -196°C, inlets for organic educts heated to let them as vapor. Cr vaporized at ca 1600-1800°C for 60-80 min.; filtrn., evapn. till beginnig of sublimation, solved in benzene, chromy.(Kieselgel, benzene:diethylether=10:1), elem. anal.;
参考文献
Brunner, Henri; Koch, Heinrich
Chemische Berichte, 1982 , vol. 115, # 1 p. 65 - 83
at 10E-4-10E-5 Torr, high excess of aromatics, react. container at -196°C, inlets for organic educts heated to let them as vapor. Cr vaporized at ca 1600-1800°C for 60-80 min.; filtrn., evapn. till beginning of sublimation, solved in benzene, chromy. (Kieselgel, benzene:ether=20:1), elem. anal.;
参考文献
Brunner, Henri; Koch, Heinrich
Chemische Berichte, 1982 , vol. 115, # 1 p. 65 - 83
chlorine in diethyl ether passing of Cl2 into a suspension of Cr powder in diethylether at ambient temp., 6h;;
参考文献
Gmelin Handbook: Cr: MVol.B, 99, page 202 - 203
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Kroll, W.
Met. Erz, 1939 , vol. 36, p. 101 - 106
Full Text Show Details
Kroll, W.
Met. Erz, 1939 , vol. 36, p. 125 - 131
