Harmonized System

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Section VI > Chapter 29 > Heading 2927

Explanatory notes

… belong to the aromatic series, are characterised by two nitrogen atoms linked by a double bond. (A) DIAZO-COMPOUNDS … organic radicals and R 3  is either an organic radical or hydrogen, for example : (B) AZO-COMPOUNDS* These are … one of their carbon atoms linked directly to one of the nitrogen atoms, for example : The radicals R 1  and R 2  may …

Section VI > Chapter 28 > Heading 2808

Explanatory notes

… bismuth or manganese oxides, etc.). Alternatively, nitrogen and oxygen may be directly combined in an … mercury, lead, copper, etc.), organic dyes, explosives (nitroglycerol, collodion cotton, trinitrotoluene, picric … to be confused with the sulphonitric acids above). (b)   Hydrogen azide, nitrous acid and the various oxides of …

Section IX > Chapter 46 > Heading 4602

Explanatory notes

… from plaits or similar products, or from the products bound together in parallel strands or woven in sheet form. The … the character of finished articles by reason of being bound together in parallel strands or woven, in sheet form (for … straw or similar materials roughly laid parallel and bound together with yarn or cord. (9)   Mats made by assembling …

Section IX > Chapter 44 > Heading 4418

Explanatory notes

… of building, etc., in the form of assembled goods or as recognisable unassembled pieces (e.g., prepared with tenons, … which is a structural timber product obtained by gluing together a number of wood laminations having their grain … constructed of multiple layers of timber that are glued together with the grain of each layer oriented parallel to …

Section XVIII > Chapter 91 > Heading 9106

Section V > Chapter 27 > Heading 2714

Explanatory notes

… water or gangue and whether or not pulverised or mixed together.The mere addition of water to natural bitumen does … in shale may be in the form of organic materials called kerogens. …

Section VI > Chapter 31 > Heading 3103

Explanatory notes

… than for the removal of impurities. (4) Calcium hydrogenorthophosphate containing not less than 0.2 % by … fluorine calculated on the dry anhydrous product . Calcium hydrogen-orthophosphate containing less than 0.2 % by weight … limit as indicated in paragraph (A) (4) above, mixed together (e.g., a fertiliser consisting of superphosphates …

Section XVI > Chapter 85 > Heading 8515

Explanatory notes

… be joined (Joule heat).  During welding the parts are held together under pressure and fluxes or filler metals are not … welding .         The parts to be joined are held together and subjected to ultrasonic vibrations. This …

Section XVI > Chapter 84 > Heading 8485

Explanatory notes

… and each layer has a liquid binder added to glue the powder together. In this way the layers are hardened and joined to … layer sheets (commonly of plastics) and fuse those layers together according to a digital model to produce specific … sheet laminating machines, which bond two or more sheets together to form a composite material. (7) Directed energy …

Section VI > Chapter 28 > Heading 2841