… gallium, indium and niobium (columbium), and articles of these metals, including waste and scrap. …
Explanatory notes
… signs, etc.; as a de‑oxidising agent in metallurgy. It also serves in the preparation of many alloys, for example with … parts, parts of instruments, etc., are, however, excluded (see particularly Chapters 85 and 90 ). (B) CHROMIUM Chromium … from chromite (chrome iron ore), which is converted to the sesquioxyde which is then reduced to produce chromium metal. …