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Harmonized System
Section VI > Chapter 28 > Heading 2807
… Sulphuric acid; oleum. …
Explanatory notes
… 2 SO 4 ) is mainly obtained by passing oxygen and sulphur dioxide over a catalyst (platinum, ferric oxide, vanadium pentoxide, etc.). It is freed from impurities (nitrogen …Section XVII > Chapter 88 > Heading 8807
Explanatory notes
… of the goods falling in heading 88.01, 88.02 or 88.06, provided the parts fulfil both the following conditions : (i) They must be identifiable as being suitable for use solely or principally with the goods of the …Section VI > Chapter 28 > Heading 2820
… Manganese oxides. …
Explanatory notes
… 28.20 ‑ Manganese oxides. 2820.10 ‑ Manganese dioxide 2820.90 ‑ Other (1) Manganese dioxide (manganous … about 5), insoluble in water. A very powerful oxidising agent. Uses include pyrotechnics, organic …Section IV > Chapter 24 > Heading 2403
Explanatory notes
… The heading does not cover : (a) Nicotine (the toxic alkaloid extracted from tobacco) ( heading 29.39 ). (b) … of a mixture of tobacco, molasses or sugar, flavoured with fruit, glycerol, aromatic oils and extracts (e.g., "Meassel" …Section XXI > Chapter 97 > Heading 9702
Explanatory notes
… processes, e.g., line‑engraving, dry‑point, aquatint (acid process) or stipple‑engraving. Original impressions … even if they have been retouched. It is often difficult to distinguish the original article from the copy, fake or …Section XVI > Chapter 85 > Heading 8508
Explanatory notes
… are appliances for cleaning carpets in situ by injecting a liquid cleaning solution into the carpet, the solution then … surgical, dental or veterinary sciences ( heading 90.18 ). EQUIPMENT PRESENTED WITH THE APPLIANCES OF THIS HEADING …Section XVI > Chapter 85 > Heading 8526
… Radar apparatus, radio navigational aid apparatus and radio remote control apparatus. …
Explanatory notes
… 85.26 ‑ Radar apparatus, radio navigational aid apparatus and radio remote control apparatus. 8526.10 ‑ … apparatus This heading includes : (1) Radio navigational aid equipment (e.g., radio beacons and radio buoys, with … etc., or on land), including port radar equipment, and identification equipment placed on buoys, beacons, etc. …Section VI > Chapter 31 > Heading 3102
Explanatory notes
… products, whether chemically defined (such as ammonium chloride, heading 28.27 ) or not, which are not described … ammonium nitrate). (C) Fertilisers consisting of ammonium chloride or of any of the goods referred to in paragraph (A) … above-mentioned inorganic non-fertilising substances). (D) Liquid fertilisers consisting of ammonium nitrate (whether …Section VI > Chapter 32 > Heading 3212
… powders and flakes) dispersed in non-aqueous media, in liquid or paste form, of a kind used in the manufacture of …