… have been further treated to eliminate impurities (e.g., treatment with acids or alkalis, with selective solvents, … earths, etc., or by re-distillation), provided this treatment does not produce separate chemically defined …
… a kind used, mainly in the extractive industries, for the treatment (sorting, screening, separating, washing, … Certain machines of the kind normally used for the treatment of mineral products can, as a secondary use, also …
… following processes : (I) The preparation or preliminary treatment of textile fibres to make them suitable for : (i) … * * The heading excludes : (a) Machines for the heat‑treatment of cocoons to kill the silkworms ( heading 84.19 …
… or yellowish liquid, giving off white fumes in a humid atmosphere. Hydrated it gives colourless crystals; it also … chloride. Occurs in colourless, translucent lumps; absorbs atmospheric moisture to take on an unctuous appearance; it …
