… Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium (columbium), and articles of …
Explanatory notes
… 81.12 ‑ Beryllium, chromium, hafnium, rhenium, thallium, cadmium, … magnesium. * * * Beryllium is a steel‑grey metal, very light and hard but extremely brittle. It can only be rolled … 30 °C and with a high vaporisation point. It thus remains liquid over a large temperature range and is therefore used …