copper(l) chloride in neat (no solvent) mixt. of Ge and CuCl was pretreated at 450°C for 1 h under He; mixt. of HCl and C2H4 was fed at 450°C; not isolated; gas chromd.;
copper(l) chloride in neat (no solvent) mixt. of Ge and CuCl was pretreated at 450°C for 1 h under He; mixt. of HCl and allyl chloride was fed at 260°C; not isolated; gas chromd.;
H2SO4; HNO3 in sulfuric acid; nitric acid aq. HNO3; aq. H2SO4; disintegration of germanite with mixt. of H2SO4 and HNO3, distillation of GeCl4 in HCl-Cl2-stream;;