Andreocci
Gazzetta Chimica Italiana, 1895 , vol. 25 I, p. 527
Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti, 1895 , vol. <5> 4 I, p. 75
in neat (no solvent) on heating ZrC (free from Fe) in dry stream of HI vapor at 490°C;; digesting in bomb tube several hours at 100°C under shaking; washing in H2 atmosphere with benzene in dry filter tube containing asbestos; sucking off; drying;;