Harmonized System
Section XVI > Chapter 84 > Heading 8421
… Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids …
Explanatory notes
… 84.21 ‑ Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus for liquids … beverages other than water 8421.23 ‑ ‑ Oil or petrol‑filters for internal combustion engines 8421.29 ‑ ‑ Other …Section VI > Chapter 29 > Heading 2939
… Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives. …
Explanatory notes
… - Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives . - Alkaloids of opium and their derivatives; salts thereof : 2939 .11 - - Concentrates of poppy straw; … (INN), pholcodine (INN), thebacon (INN) and thebaine; salts thereof 2939.19 - - Other 2939.2 0 - Alkaloids of …Section VI > Chapter 29 > Heading 2934
… Nucleic acids and their salts, whether or not chemically defined; other heterocyclic …
Explanatory notes
… 29.34 - Nucleic acids and their salts, whether or not chemically defined; other heterocyclic … (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof 2934.92 - - Other fentanyls and their … - - Other This heading includes nucleic acids and their salts . These are complex compounds which, when combined …Section VI > Chapter 29 > Heading 2923
… Quaternary ammonium salts and hydroxides; lecithins and other …
Explanatory notes
… 29.23 - Quaternary ammonium salts and hydroxides; lecithins and other … or not chemically defined. 2923.10 - Choline and its salts 2923.20 - Lecithins and other phosphoaminolipids … sulphonate 2923.90 - Other Quaternary organic ammonium salts contain one tetravalent nitrogen cation R 1 R 2 R 3 R …Section VII > Chapter 40 > Heading 4010 > 4010.1
… Conveyor belts or belting …
Section VII > Chapter 40 > Heading 4010 > 4010.3
… Transmission belts or belting …
Section VI > Chapter 29 > Heading 2919
… Phosphoric esters and their salts, including lactophosphates; their halogenated, …
Explanatory notes
… VIII ESTERS OF INORGANIC ACIDS OF NON-METALS AND THEIR SALTS, AND THEIR HALOGENATED, SULPHONATED, NITRATED OR … element, and when all such elements are not esterified the result is an acid ester . Appropriate treatment of these …Section XIII > Chapter 68 > Heading 6807
… Articles of asphalt or of similar material (for example, petroleum …