Harmonized System
Section VI > Chapter 28 > Heading 2806
Explanatory notes
… Sub-Chapter II INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON‑METALS GENERAL … by metals (or by ions with analogous properties, e.g., the ammonium ion (NH 4 + )) as a result salts are formed. Acids …Section VI > Chapter 28 > Heading 2849
… Carbides, whether or not chemically defined. …
Explanatory notes
… 28.49 ‑ Carbides, whether or not chemically defined. 2849.10 ‑ Of … , which are compounds of carbon with another element more electropositive than carbon. Those known as acetylides … a binder such as cobalt or nickel). (8) Other carbides . Molybdenum, vanadium, titanium, tantalum or niobium …Section VI > Chapter 28 > Heading 2814
… Ammonia, anhydrous or in aqueous solution. …
Explanatory notes
… by a hydroxyl radical (OH) and which react with acids to form salts. In the liquid state or in solution, they are electrolytes giving a metal or an analogous ion (ammonium (NH 4 + )) at the cathode. Metal oxides are …Section VI > Chapter 29 > Heading 2916
… Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their …
Explanatory notes
… 29.16 - Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their …Section VII > Chapter 39 > Heading 3912
Explanatory notes
… is a carbohydrate of high molecular weight, forming the solid structure of vegetable matter. It is contained in cotton in almost a pure state. Cellulose not elsewhere specified or … or dissolving grades of chemical wood pulp) with acetic anhydride and acetic acid in the presence of a catalyst …Section VI > Chapter 29 > Heading 2936
Explanatory notes
… 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 amounts and may be regarded as exogenous biocatalysts, their …Section XIV > Chapter 71 > Heading 7102
… Diamonds, whether or not worked, but not mounted or set. …
Explanatory notes
… 71.02 - Diamonds, whether or not worked, but not mounted or set (+). 7102.10 - Unsorted - … (including cameos and intaglios), preparing as doublets, provided they are neither set nor mounted. The heading does … also be cut into discs, rectangles, hexagons or octagons, provided that all the surfaces and ridges are rough, matt …Section VI > Chapter 28 > Heading 2853
… Phosphides, whether or not chemically defined, excluding … or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of …
Explanatory notes
… 28.53 ‑ Phosphides, whether or not chemically defined, excluding … or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of …Section VII > Chapter 39 > Heading 3907
… Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd …