SmF3 in neat (no solvent) prefluorination of NH4MnF3 (mixed with SmF3) at about 100°C with N2-diluted F2 followed by treatment with pure F2 at 250°C and 200 bar, heating the sealed mixt. to 650°C and maintaining the temp. for 21-28 d; cooling the mixt. at 40°C/d;
参考文献
Zeitschrift fuer Anorganische und Allgemeine Chemie, , vol. 619, p. 1426 - 1430
in neat (no solvent) heating MnO2 (dried by slight warming in vac.) with F2-N2-gas-mixt. (vol.-ratio 20:80) to 150 °C;;
参考文献
Aynsley, E. E.; Peacock, R. D.; Robinson, P. L.
Journal of the Chemical Society, 1950 , p. 1622 - 1624
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Gmelin Handbook: Mn: MVol.C1, 2.6.8.3.4, page 300 - 301
