Harmonized System

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Section XIV > Chapter 71 > Heading 7102

Explanatory notes

… diamond is used for making articles of adornment or ornamentation and also for industrial purposes (in … goods of Chapter 90 ( Chapter 90 ). ° °   ° Subheading Explanatory Notes. Subheading 7102.10 Before “unworked” or … 7102.21 and 7102.29 These subheadings cover the following natural diamonds : (1)   Diamonds proper, that is to say, …

Section VI > Chapter 29 > Heading 2921

Explanatory notes

… and its derivatives; salts thereof 2921.45 - - 1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine … ( b -naphthylamine) (C 10 H 7 NH 2 ). White powder or nacreous flakes, odourless; used in organic synthesis (dyes, …

Section VI > Chapter 29 > Heading 2930

Explanatory notes

… the atoms of sulphur or of halogens which give them their nature of sulphonated or halogenated derivatives (or … ring, if only one of the heterocyclic rings is specifically named in a subheading within headings 29.32 to 29.34, the …

Section VI > Chapter 29 > Heading 2922

Explanatory notes

… 2922.19 - - Other               - Amino-naphthols and other amino-phenols, other than those …

Section VI > Chapter 29 > Heading 2932

Explanatory notes

… - - 1-(1,3-Benzodioxol-5-yl)propan-2-one 2932.93 - - Piperonal 2932.94 - - Safrole 2932.95 - - … end of Chapter 29). (7)    Tetrahydrocannabinols . (8)   Piperonal (piperonylaldehyde or heliotropin) (CH 2 O 2 C 6 H … * Certain substances of this heading, which are regarded as narcotic drugs or as psychotropic substances under …

Section XIII > Chapter 70 > Heading 7019

Explanatory notes

… articles excluded from other headings by reason of their nature. Glass fibres have the following properties : they … mats thereof . (C)   Mechanically bonded fabrics, including narrow fabrics . (D)  Chemically bonded fabrics including … yarn, tape, braid, fabric (whether or not impregnated with natural resins, plastics, asphalt, etc.) and to reinforce …

Section VI > Chapter 28 > Heading 2844

Explanatory notes

… mixtures and residues containing these products. 2844.10 ‑ Natural uranium and its compounds; alloys, dispersions … as an isotope. It should be noted that elements existing in nature in the monoisotopic state, e.g., beryllium 9, …

Section VI > Chapter 28 > Heading 2818

Explanatory notes

… titanium oxide, chromium oxide) either deriving from the natural starting material (bauxites) or added to improve, … This heading does not include  : (a)   Natural corundum (native aluminium oxide) and emery (aluminium oxide …

Section VI > Chapter 28 > Heading 2812

Explanatory notes

… This sub‑Chapter covers products which, although known by names (chlorides, sulphides, etc.) similar to those of the … . (c)  Boron trifluoride (BF 3 ). Obtained by heating natural calcium fluoride and powdered boric oxide in the …

Section VI > Chapter 29 > Heading 2934

Explanatory notes

… as internal amides of aminosulphonic acids. They include naphthosultam-2,4-disulphonic acid , obtained from periacid, … and which is used for the manufacture of SS acid (8-amino-1-naphthol-5,7-disulphonic acid or … * Certain substances of this heading, which are regarded as narcotic drugs or as psychotropic substances under …

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