Harmonized System

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Section VI > Chapter 28 > Heading 2827

Explanatory notes

… covers the salts of hydrogen chloride (heading 28.06). The main chlorides included here are : (1)   Ammonium chloride … may be in crystalline masses or in powder, flowers or cakes obtained by sublimation. Colourless when pure, otherwise … syrupy consistency. The anhydrous salt fumes on exposure to air. The solid chloride is used in organic synthesis, as a …

Section VI > Chapter 28 > Heading 2830

Explanatory notes

… or melted sulphide), soluble in water, sulphating in the air, or in hydrated crystals (with 9 H 2 O), colourless or … of oil on the surface of ores by sulphiding. Also used as a hair‑remover (in tanning or in toilet preparations), and as … (b) Sodium hydrogen sulphide (hydrosulphide) (NaHS). Obtained by the action of hydrogen sulphide on the neutral …

Section III > Chapter 15 > Heading 1515

Explanatory notes

… 1515.11 ‑ ‑ Crude oil 1515.19 ‑ ‑ Other               ‑ Maize (corn) oil and its fractions : 1515.21 ‑ ‑ Crude oil … of particular commercial importance : (1)   Linseed oil , obtained from the seeds of the flax plant ( Linum … very tough elastic film. The oil is used chiefly in making paints, varnishes, oil cloth, putty, soft soap, printing …

Section IV > Chapter 22 > Heading 2208

Explanatory notes

… liqueurs and other spirituous beverages. 2208.20 ‑ Spirits obtained by distilling grape wine or grape marc 2208.30 ‑ … wine, cider or other fermented beverages or fermented grain or other vegetable products, without adding flavouring; they retain, wholly or partly, the secondary constituents …

Section VI > Chapter 28 > Heading 2841

Explanatory notes

… to metal oxides which constitute anhydrides). The main groups of compounds covered by this heading are : (1)   … Derivatives of aluminium hydroxide. (a)  Sodium aluminate . Obtained by treating bauxite with sodium hydroxide solution. … the enamel or ceramic industries. (c)  Chromium stannate . Main component of pink colours for ceramics or artists’ …

Section VII > Chapter 40 > Heading 4001

Explanatory notes

… acids and their derivatives, salts, sugars and glycosides) containing in suspension 30 % to 40 % of rubber (i.e., … countries.        Natural rubber latexes are concentrated (mainly for transport purposes) by various methods (e.g., by … washed. It is then dried, at room temperature or in hot air, in a ventilated drying shed. Two or more plies of crepe …

Section VI > Chapter 29 > Heading 2933

Explanatory notes

… hetero-atom(s) only  (+).               - Compounds containing an unfused pyrazole ring (whether or not … its derivatives 2933.19 - - Other               - Compounds containing an unfused imidazole ring (whether or not … its derivatives 2933.29 - - Other               - Compounds containing an unfused pyridine ring (whether or not …

Section VI > Chapter 28 > Heading 2825

Explanatory notes

… .H 2 O). Colourless, lachrymatory liquid which fumes in the air. A powerful reducing agent, used in the manufacture of a … in chemical synthesis.     Inorganic salts of hydrazine , obtained by reaction with mineral acids, are also classified … salts .      Hydroxylamine (NH 2 OH) is a basic product obtained by hydrolysis of nitromethane; colourless, …

Section XVI > Chapter 84 > Heading 8412

Explanatory notes

… moving machines. It has no turbo-compressor, the feed air being forced in by the speed of motion alone and … for the intake of air.        Pulse-jets are used in aircraft mainly as an auxiliary take-off. (3)         Rocket … developed by rotation, and is transmitted to the ground by airtight conduits to drive a small reaction turbine. Wind …

Section XVI > Chapter 84 > Heading 8479

Explanatory notes

… not elsewhere specified or included 8479. 6 0 - Evaporative air coolers               - Passenger boarding bridges : 8479.71 ‑ ‑ Of a kind used in airports 8479.79 ‑ ‑ Other               ‑ Other machines …