Harmonized System

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Section VI > Chapter 30 > Heading 3001

Explanatory notes

… organs or of their secretions for organo-therapeutic uses , obtained by solvent extraction, precipitation, coagulation … a mixture of complex organic acids (muco-polysaccharides) obtained from mammalian tissues. Its composition varies … defined compounds and other products of Chapter 29 obtained by the treatment of extracts of glands or other …

Section XV > Chapter 72 > Heading 7201

Explanatory notes

… (pig iron, spiegeleisen, ferro‑alloys, ferrous products obtained by direct reduction of iron ore and other spongy … in the same heading as pig iron since it is generally obtained directly from ores. It is used principally in steel …

Section III > Chapter 15 > Heading 1522

Explanatory notes

… oil”) is a residue from the oil tanning of chamois leather, obtained by pressing or extracted with solvents. It is … ( heading 34.03 ).       The heading also includes degras obtained by treatment of chamois leather with an alkaline … excludes  :           (a)   Greaves, membranous residues obtained from rendering pig fat or other animal fats ( …

Section V > Chapter 26 > Heading 2621

Explanatory notes

… bricks or other sound‑insulating products. (3) Bone ash obtained from the calcination of bones in the open air. … in copper smelting. The heading excludes animal black, obtained from the calcination of bones in a closed vessel ( heading 38.02 ). (4) Crude potassium salts obtained in the sugar industry from residues of beet …

Section VI > Chapter 32 > Heading 3201

Explanatory notes

… roots, etc.) previously ground or shredded. The liquid obtained is filtered or centrifuged and then concentrated … sometimes treated with sulphites, etc. The extracts thus obtained are liquid but may be further concentrated to paste … constituents of vegetable tanning materials. They are obtained by extraction with ether or alcohol from the raw …

Section XV > Chapter 74 > Heading 7403

Explanatory notes

… copper containing at least 99.85 % by weight of copper is obtained by electrolytic refining, electrolytic extraction, … purposes (quality control). Sintered products are obtained from copper powder or copper alloy powders or from … usually not exceeding 1 m in length. (2)   Longer products obtained by the continuous casting process in which molten …

Section XV > Chapter 78

Explanatory notes

… and a flux. In this manner “bullion lead” or “work lead” is obtained; this contains a number of impurities, frequently … to produce almost completely pure lead. Lead is also obtained by remelting lead waste and scrap. * *    * Lead is … scrap (headings 78.01 and 78.02). (B)  Products generally obtained by rolling or extruding the unwrought lead of …

Section VI > Chapter 28 > Heading 2809

Explanatory notes

… phosphorus pentoxide, phosphoric anhydride) (P 2 O 5 ) is obtained by combustion, in dry air, of phosphorus extracted … acid or common phosphoric acid) (H 3 PO 4 ) is obtained by the action of sulphuric acid on natural … acid, fluorosilicic acid, etc. Pure phosphoric acid is obtained by controlled hydration of diphosphorus pentaoxide. …

Section XIII > Chapter 70 > Heading 7015

Explanatory notes

… this heading also covers hollow spheres and segments obtained by the process described in (1) above. (C)   Glass … In most cases, the corrective spectacle industry uses glass obtained by pressing molten glass into blanks which are … spectacle lenses. In some cases, spectacle lens blanks are obtained by cutting pieces of sheet glass produced by …

Section VI > Chapter 28 > Heading 2813

Explanatory notes

… heading 38.08.) (2)   Silicon disulphide (SiS 2 ).        Obtained by the action of sulphur vapour on strongly heated … sulphides .        This heading covers artificial sulphides obtained either from natural sulphides, or from arsenic or …