in gas Electric Arc; arc-vaporization; graphite rods packed with Ho2O3, Fe(x)N and graphite powder in K-H generator under dynamic N2/He atm. (300 Torr), potential difference between ends of rods: 31 V; Soxhlet-extn. with toluene, extract purified by HPLC on cyclopentadiene-functionalized styrene-divinylbenzene resin, toluene as eluent;
参考文献
Journal of the American Chemical Society, , vol. 127, # 46 p. 16292 - 16298
Journal of the Chemical Society. Perkin Transactions 2, , # 10 p. 1983 - 1988
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反应条件
in gas graphite disk impregnated with La by exposire to a boiling satd. aq. soln. of LaCl3 followed by rinsing and drying was vaporized by pulse laserat 532 nm using He carrier (ca. 1 atm); reaction products were analyzed by a time-of-flight mass spectrometer;
参考文献
Journal of the American Chemical Society, , vol. 107, p. 7779 - 7780
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反应条件
in neat (no solvent) Electric Arc; arc burning graphite rods filled with Ho in reactive arc atmosphere; soot extd. in Soxhlet app. (CS2, 20 h); ext. washed (Me2CO); chromy. (HPLC, BuckyPrep column);
参考文献
Angewandte Chemie - International Edition, , vol. 44, # 21 p. 3306 - 3309