in neat (no solvent) byproducts: Cl2, O2; heating Co3O4 to 245-250°C, adding under stirring gaseous ClF3, forcing temperature step by step to 400°C; No formation of OF2 and ClF;;
in neat (no solvent) byproducts: Cl2, O2; heating CoCO3 to 245-250°C, adding under stirring gaseous ClF3, forcing temperature step by step to 400°C; no formation of OF2 and ClF;;
in neat (no solvent) at room temp. in presence of moisture;;
参考文献
Popov, A. I.; Knudson, E. G.
Journal of the American Chemical Society, 1954 , vol. 76, p. 3921 - 3922
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Gmelin Handbook: Sc: MVol.C3, 6.2.2.1.8, page 38 - 38
catalyst: charcoal CO dild. with a double amt. of N2, -18°C;
参考文献
Gmelin Handbook: C: MVol.D3, 2.3.1.1, page 103 - 103
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Kwasnik, W.
laut W. Ruedorff in: W. Klemm, Anorganische Chemie, Tl. 1, Wiesbaden 1949, S. 242
in hydrogen fluoride fluorination of As in liquid HF (cooled with solid CO2) with ClF3 (Pt-vessel), addn. of NaF (less than equivalent amount) to the intermediately formed AsF5-soln., evapn. over Hg by passing through a dry stream of air;;
