Mommaerts
Bulletin des Societes Chimiques Belges, 1945 , vol. 52, p. 63,71
Bulletin de la Classe des Sciences, Academie Royale de Belgique, 1941 , vol. <5> 27, p. 579,589
anhydrous nickel carbonate; berryllium oxide; iron(III) chloride
at 250°C, 5 h; (CClCN)2 vapor diluted with N2 passing through halogen exchanger. The exchanger is prepared from mixture of KF, Ca2F, NiCO3, FeCl3, BeO with HF;
