… Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium …
Explanatory notes
… 81.12 ‑ Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium … as anode and the metal is collected on a water‑cooled iron cathode. (2) Reduction of beryllium fluoride using …