Harmonized System

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Section VI > Chapter 28 > Heading 2812

Explanatory notes

… such as : (1) A halogen with a non‑metal other than oxygen or hydrogen (halogen compounds ). (2) The same compounds as under (1) above, combined with oxygen ( halide oxides ). or (3) Sulphur with a non‑metal other than oxygen or hydrogen ( sulphur compounds ). Sulphide oxides of …

Section VI > Chapter 28 > Heading 2814

Explanatory notes

… at the cathode. Metal oxides are compounds of a metal with oxygen. Many can combine with one or more molecules of water … or saline. (2) Other inorganic bases containing no oxygen, such as ammonia (heading 28.14), or hydrazine …

Section XVI > Chapter 84 > Heading 8454

Explanatory notes

… to a high temperature in a furnace, to a strong current of oxygen; by this action most of the carbon and dissolved … plates with an internal lining of refractory material.  The oxygen is brought in either by a lance from above …

Section VI > Chapter 29 > Heading 2933

Section VI > Chapter 28 > Heading 2827

Explanatory notes

… or brown in colour, according to the degree of purity. A hygroscopic product, it may be in cast or melted form, in … (with 2 H 2 O), in large cubic crystals. Colourless, hygroscopic, soluble in water. Used in medicine and in … on ammonia or ammonium carbonate. White, crystalline, hygroscopic powder, very soluble in water. Used in medicine …

Section VI > Chapter 28 > Heading 2834

Explanatory notes

… during the manufacture of litharge. Colourless crystals, hygroscopic and very soluble in water. Used as an oxidising … or as a white crystalline powder, soluble in water and hygroscopic when impure. Similar uses to sodium nitrate; … to temperature). Blue or green crystals, soluble in water, hygroscopic, poisonous. Used in pyrotechnics; in the …

Section VI > Chapter 29 > Heading 2905

Explanatory notes

… or more atoms of hydrogen by the hydroxyl group. They are oxygenated compounds which react with acids giving the …

Section XVI > Chapter 84 > Heading 8468

Explanatory notes

… by the combustion of an inflammable gas in a jet of oxygen or air. In general, these appliances can be used not … coal gas, hydrogen, etc.) and the other compressed air or oxygen. The heading covers hand‑operated appliances and also … temperature produced by burning iron or steel in a jet of oxygen ( heading 84.79 ). (d)   Welding, brazing or …

Section XX > Chapter 95 > Heading 9506

Explanatory notes

… flippers and respiratory masks of a kind used without oxygen or compressed air bottles, and simple underwater … ). (n)   Breathing appliances of a kind used with oxygen or compressed air bottles ( heading 90.20 ). (o)   …

Section XVI > Chapter 84 > Heading 8479

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