Harmonized System

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Section VI > Chapter 28 > Heading 2837

Explanatory notes

… melting‑point it absorbs oxygen; may also give hydrates. Is presented in sealed vessels. Used in the metallurgy of gold … as a parasiticide or insecticide, etc. Also used in the preparation of hydrogen cyanide, other cyanides and indigo; in flotation processes (in particular for separating galena from blende …

Section V > Chapter 25 > Heading 2523

Explanatory notes

… its natural state, or mixed artificially with, a suitable proportion of clay. Other materials such as silica, alumina … substances may also be added. As a result of the firing process, semi‑finished products known as clinkers are obtained. These clinkers are …

Section II > Chapter 10 > Heading 1006

Explanatory notes

… glazed to improve its appearance. The polishing process (which is designed to embellish the mat surface of … film of oil. (5)   Broken rice , i.e., rice broken during processing. The heading also includes the following : (a)   … a mixture of ordinary milled rice grains and a very small proportion (in the order of 1 %) of rice grains coated or …

Section VI > Chapter 29 > Heading 2931

Explanatory notes

… 2931.41 ‑ ‑ Dimethyl methylphosphonate 2931.42 ‑ ‑ Dimethyl propylphosphonate 2931.43 ‑ ‑ Diethyl ethylphosphonate … 2931.51 ‑ ‑ Methylphosphonic dichloride 2931.52 ‑ ‑ Propylphosphonic dichloride 2931.53 ‑ ‑ O-(3-chloropropyl) … colourless in the pure state, whereas the technical products are yellow; toxic; very efficient anti-knock …

Section VI > Chapter 28 > Heading 2852

Explanatory notes

… and turn black on exposure to light. They are used in the preparation of marine paints or mercury salts, and as … dichloride, corrosive sublimate) (HgCl 2 ). Crystallises in prisms or long white needles. Soluble in water (especially … “bronzing” iron, for impregnating wood to render it fire-proof, as an intensifier in photography, as a catalyst in …

Section VI > Chapter 35 > Heading 3503

Explanatory notes

… Gelatin and the glues of this heading are water-soluble protein substances obtained by treating skins, cartilage, … glues, forming a clear jelly with water. It is used in the preparation of foodstuffs, pharmaceutical products and photographic emulsions, for bacteriological …

Section XX > Chapter 96 > Heading 9602

Explanatory notes

… indica variety of reed (Indian shot), seeds of the Abrus precatorius (or bead tree), date stones, olive stones, the … palm and locust beans.        It also covers articles produced by moulding powders of vegetable carving materials. … to this Chapter. The heading does not cover the following products which fall in heading 25.30  : (i)       Rough …

Section V > Chapter 26 > Heading 2621

Explanatory notes

… , derived from the working of ores or from metallurgical processes, as well as those derived from any other material or process. Although many of the products are used as fertilisers they are classified here …

Section II > Chapter 13 > Heading 1301

Explanatory notes

… 1301.90 ‑ Other (I)    Lac . Lac is a resinous substance produced on several kinds of tropical trees by an insect … vitreous flakes, amber ‑ coloured or reddish. A similar product in the shape of discs is known as “button lac”.         Shellac is used largely in the preparation of varnishes, in the electrical industry and for …

Section XV > Chapter 72 > Heading 7202

Explanatory notes

… differ from pig iron in that they contain a smaller proportion of iron which merely acts as a “solvent” for large proportions of alloy elements (e.g., manganese, chromium, … must be in the form of pigs, blocks, lumps or similar primary forms, in granules or powder forms or in forms …