Harmonized System

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Section VI > Chapter 29 > Heading 2917

Explanatory notes

… hides, as a mordant in the textile industry, and in organic synthesis.        Its main salts are ammonium, potassium, … resins, polyamides, polyurethanes) and in other organic syntheses. (4)   Sebacic acid . White leaflets; used, inter … terephthalic acid. Crystals. They are used for preparing synthetic colouring matter, plastics (alkyd resins) and …

Section VI > Chapter 28 > Heading 2827

Explanatory notes

… catalyst, as a dehydrating or condensation agent in organic synthesis (e.g., preparation of amines from phenol) and for … oxide. Anhydrous or crystalline; or in aqueous solutions of syrupy consistency. The anhydrous salt fumes on exposure to … in water. Used in the manufacture of hygrometers, as a sympathetic ink or as an absorbent in gas masks. (7)   …

Section XI > Chapter 62 > Heading 6204

Explanatory notes

… or fine animal hair 6204.12 ‑ ‑ Of cotton 6204.13 ‑ ‑ Of synthetic fibres 6204.19 ‑ ‑ Of other textile materials … or fine animal hair 6204.22 ‑ ‑ Of cotton 6204.23 ‑ ‑ Of synthetic fibres 6204.29 ‑ ‑ Of other textile materials … or fine animal hair 6204.32 ‑ ‑ Of cotton 6204.33 ‑ ‑ Of synthetic fibres 6204.39 ‑ ‑ Of other textile materials …

Section VI > Chapter 28 > Heading 2825

Explanatory notes

… in the manufacture of a priming explosive or in chemical synthesis.     Inorganic salts of hydrazine , obtained by … in water. They are used as reducing agents in organic synthesis, as anti‑oxidants for fatty acids, in the … (manufacture of sulphuric acid, phthalic anhydride or synthetic ethanol).          There are several hydroxides, …

Section IV > Chapter 20 > Heading 2006

Explanatory notes

… then by repeated heating to boiling point and storage in syrups of progressively increasing sugar concentration until … mimosa, etc.). Drained products are prepared by using a syrup (e.g., a mixture of invert sugar or glucose with a …

Section XVIII > Chapter 90 > Heading 9029

Explanatory notes

… not having a movement of the watch or clock type (including synchronous movements), do not fall in Chapter 91. The … on one of the following principles : (1)   Chronometric system .        The measuring mechanism is combined with a … to a pointer indicating the speed. (5)   Electrical systems .        These are either fitted with a …

Section XI > Chapter 61 > Heading 6104

Explanatory notes

… or crocheted .               ‑ Suits : 6104.13 ‑ ‑ Of synthetic fibres 6104.19 ‑ ‑ Of other textile materials … ‑ Ensembles : 6104.22 ‑ ‑ Of cotton 6104.23 ‑ ‑ Of synthetic fibres 6104.29 ‑ ‑ Of other textile materials … or fine animal hair 6104.32 ‑ ‑ Of cotton 6104.33 ‑ ‑ Of synthetic fibres 6104.39 ‑ ‑ Of other textile materials …

Section XVIII > Chapter 90 > Heading 9013

Explanatory notes

… addition to the lasing medium, the energy source (pumping system) and the resonant optical cavity (reflector system), i.e., the basic elements combined in the laser head … they can be used independently, as compact lasers or laser systems, for various purposes such as research, teaching or …

Section XI > Chapter 51 > Heading 5101

Explanatory notes

… 51.01 ‑ Wool, not carded or combed .               ‑ Greasy, including fleece‑washed wool : 5101.11 ‑ ‑ Shorn … and uncombed wool is generally in the form of : (A)  Greasy, including fleece‑washed wool .         Greasy wool is wool not yet washed or otherwise cleaned; it …

Section VI > Chapter 28 > Heading 2837

Explanatory notes

… . Used for plating iron with copper and in organic synthesis. (6)   Zinc cyanide (Zn(CN) 2 ). White powder, … Used for “black nickel‑plating” and as a catalyst in the synthesis of ammonia. (2)   Tetrasodium hexacyanoferrate (Na … in electroplating; and as an oxidising agent in organic synthesis. (2)   Tripotassium hexacyanoferrate (K 3 Fe(CN) 6 …

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