… This heading relates to all unroasted iron pyrites, including unroasted cupreous iron pyrites. Pyrites are … iron sulphide; they are grey or yellowish, with a metallic lustre when stripped of their gangue. In powder form, they … for the recovery of copper, as a by‑product. The heading excludes all roasted pyrites ( heading 26.01 ). It also …
… the wood, usually in chipped form, in strongly alkaline solutions. For soda pulp the cooking liquor is a solution of … are used in the manufacture of absorbent products (such as fluffing and napkins (diapers) ) as well as for papers and …
… the metal from an oxy‑acetylene pistol. The heading also includes brazing or welding rods of zinc base alloys … or not cut to length, provided they are not coated with flux material. Coated rods are excluded ( heading 83.11 ). The heading also excludes cast …
… goldbeater's skin, of bladders or of tendons. This heading includes : (1) Catgut, manufactured by twisting strips of … of fishing tackle and of machinery parts. The heading excludes , however, sterile surgical catgut or similar … ( heading 92.09 ). (2) Goldbeater’s skin in rectangular (including square) pieces or cut to other shapes, and other …
… enable the polymers, when brought into contact with a solution of an electrolyte, to exchange one of their own … chromatography, for recovery of uranium from acid solutions and of streptomycin from broths and for various … phenolic resins. This heading does not cover ion‑exchange columns filled with ion‑exchangers of this heading ( heading …
… themselves or their inorganic salts ( heading 28.25 ) but includes their organic derivatives only . Hydrazine (H 2 NNH … which are tautomeric forms of quinoneimine oximes, are excluded from this heading (see Explanatory Notes to …
… family, quite different from the Gramineae family which includes most other cereals. (2) Millet , a round grain, pale‑yellow in colour. It includes the following species : Setaria spp ., Pennisetum spp. , Echinochloa spp. , Eleusine spp. (including Eleusine coracana (Coracan)), Panicum spp. , …
… for industrial use. Meat in forms commonly eaten as such is excluded ( heading 02.03 or 02.10 as the case may be, for … fat, and fat with an adhering layer of meat). This heading includes, in particular, the fat found mainly round the … in the heading; when rendered or otherwise extracted it is excluded ( heading 15.01 ). Fat from marine mammals is …
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