… earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3. …
Explanatory notes
… earth colours containing 70 % or more by weight of combined iron evaluated as Fe 2 O 3 . 2821.10 ‑ Iron oxides … (A) IRON OXIDES Ferric oxide (Fe 2 O 3 ). Obtained from dehydrated ferrous sulphate or natural iron oxide. Finely divided powder, usually red but sometimes violet, yellowish or black (violet, yellow or …
… radium-223, uranium-230 or uranium-232, and their compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or compounds …