in neat (no solvent) distillation of ICl to crystalline Si near red heat;; fractional distillation over Cu filings;;
参考文献
Besson, A.
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1891 , vol. 112, p. 1314 - 1316
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Gmelin Handbook: Si: MVol.B, 275, page 742 - 743