Harmonized System
Section VI > Chapter 28 > Heading 2815
… Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium. …
Explanatory notes
… 28.15 ‑ Sodium hydroxide (caustic soda); potassium hydroxide (caustic … SODA) Sodium hydroxide (caustic soda) (NaOH) should not be confused with commercial soda, which is sodium carbonate ( … very soluble in water; it must therefore be kept in well‑sealed steel containers. It is a powerful base with many …Section VI > Chapter 28 > Heading 2818
… or not chemically defined; aluminium oxide; aluminium hydroxide. …
Explanatory notes
… or not chemically defined; aluminium oxide; aluminium hydroxide. 2818.10 ‑ Artificial corundum, whether or not … etc.). (C) ALUMINIUM HYDROXIDE Aluminium hydroxide (hydrated alumina) (Al 2 O 3 . 3H 2 O) is obtained from …Section VII > Chapter 39 > Heading 3912
… Cellulose and its chemical derivatives, not elsewhere …
Explanatory notes
… 39.12 ‑ Cellulose and its chemical derivatives, not elsewhere … important are carboxymethylcellulose, methylcellulose, and hydroxyethylcellulose. These are water‑soluble and are used as thickeners or as glues (see the General Explanatory Note to this Chapter, exclusion …Section VII > Chapter 39 > Heading 3913
Explanatory notes
… of purity of the alginates. Water‑soluble alginates are used as thickeners, stabilisers, gelling and film‑forming … Among the esters is propylene glycol alginate which is used in foodstuffs, etc. (2) Hardened proteins … to atmospheric and chemical deterioration. (b) Rubber hydrochloride . Generally used in packaging, and, when …Section XVI > Chapter 84 > Heading 8407
Explanatory notes
… cylinder by the suction stroke of the piston, but in some cases (e.g., certain aircraft engines and motor car engines) … usual fuel is petrol, but others include kerosene, alcohol, hydrogen, coal gas, methane, etc. Gas engines are most … the engine, but are more often independent. In the latter case the generators are always classified in heading 84.05 . …Section VI > Chapter 29 > Heading 2905
Explanatory notes
… obtained by replacing one or more atoms of hydrogen by the hydroxyl group. They are oxygenated compounds which react … be primary (containing the characteristic group –CH 2 OH), secondary (containing the characteristic group > CHOH) or … Colourless toxic crystals; used as a hypnotic and in organic synthesis. (2) …Section XVI > Chapter 84 > Heading 8467
… Tools for working in the hand, pneumatic, hydraulic or with self-contained electric or non-electric motor. …