Harmonized System
Section VI > Chapter 38 > Heading 3823
… Industrial monocarboxylic fatty acids; acid oils from …
Explanatory notes
… 38.23 - Industrial monocarboxylic fatty acids; acid oils from …Section VI > Chapter 28 > Heading 2850
… Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, …
Explanatory notes
… 28.50 ‑ Hydrides, nitrides, azides, silicides and borides, whether … the others being non‑metals or metals. (A) HYDRIDES The most important hydride is calcium hydride (CaH 2 ) … by direct combination of its elements; white masses with a crystalline fracture, decomposing in the cold on contact …Section VI > Chapter 28 > Heading 2826
Explanatory notes
… Sub-Chapter V SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS GENERAL Metal salts are obtained by … an acid by a metal or by the ammonium ion (NH 4 + ). In the liquid state or in solution, they are electrolytes giving a … hydrogen atoms are replaced by the metal, but acid salts still contain part of the hydrogen replaceable by metal; …Section VI > Chapter 29 > Heading 2919
… Phosphoric esters and their salts, including lactophosphates; their …
Explanatory notes
… Sub-Chapter VIII ESTERS OF INORGANIC ACIDS OF NON-METALS AND THEIR SALTS, AND THEIR HALOGENATED, …Section VI > Chapter 29 > Heading 2936
Explanatory notes
… and are used in medicine or industry because of their individual characteristics. In this Sub-Chapter, the term … of complex chemical composition, which are obtained from outside sources and are essential for the proper functioning … obtained in final or nearly final form (provitamins) from outside sources. They are effective in relatively minute …Section VI > Chapter 29 > Heading 2939
… Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives. …
Explanatory notes
… 29.39 - Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives . - Alkaloids of … salts thereof : 2939 .11 - - Concentrates of poppy straw; buprenorphine (INN), codeine, dihydrocodeine (INN), …Section VI > Chapter 28 > Heading 2809
… Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not …
Explanatory notes
… 28.09 ‑ Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined. 2809.10 ‑ …Section VI > Chapter 29 > Heading 2915
… Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, …
Explanatory notes
… Sub-Chapter VII CARBOXYLIC ACIDS AND THEIR ANHYDRIDES , HALIDES, PEROXIDES AND PEROXYACIDS AND THEIR … + H 2 O = RC(OH) 3 ). In practice, however, these do not exist in the free state, but they do give rise to stable …Section XVI > Chapter 84 > Heading 8454
Explanatory notes
… in a furnace, to a strong current of oxygen; by this action most of the carbon and dissolved elements such as manganese, silicon and phosphorus are oxidised and eliminated in the form of gas or molten slag. The oxidation increases the temperature of the metal further. …Section XVIII > Chapter 90 > Heading 9017
… Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for …