Harmonized System

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Section VI > Chapter 29 > Heading 2933

Explanatory notes

… - - Other               - Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the … - - Other               - Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the …

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 … B 2 and its derivatives 2936.24 - - D- or DL-Pantothenic acid (Vitamin B 5 ) and its derivatives 2936.25 - - Vitamin … of complex chemical composition, which are obtained from outside sources and are essential for the proper functioning …

Section VI > Chapter 29 > Heading 2922

Explanatory notes

… thereof : 2922.21 - - Aminohydroxynaphthalenesulphonic acids and their salts 2922.29 - - Other               - … salts thereof 2922.39 - - Other               - Amino-acids, other than those containing more than one kind of …

Section I > Chapter 3 > Heading 0304

Explanatory notes

… carp ( Cyprinus spp. , Carassius spp. , Ctenopharyngodon idellus , Hypophthalmichthys spp ., Cirrhinus spp ., … chrysogaster ) 0304.43 - - Flat fish ( Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae ) 0304.44 - - Fish …

Section VI > Chapter 28 > Heading 2814

Explanatory notes

… Sub-Chapter IV INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METAL GENERAL Bases are compounds characterised …

Section VI > Chapter 38 > Heading 3824

Explanatory notes

… foundry moulds or cores 3824.30 - Non‑agglomerated metal carbides mixed together or with metallic binders 3824.40 - … to this Chapter : 3824.81 - - Containing oxirane (ethylene oxide) 3824.82 - - Containing polychlorinated biphenyls … (ISO) 3824.87 - - Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or …

Section VI > Chapter 29 > Heading 2903

Explanatory notes

… of acyclic hydrocarbons : 2903.11 - - Chloromethane (methyl chloride) and chloroethane (ethyl chloride) 2903.12 - - … 2903.14 - - Carbon tetrachloride 2903.15 - - Ethylene dichloride (ISO) (1,2-dichloroethane) 2903.19 - - Other … of acyclic hydrocarbons  : 2903 .31 - - Ethylene dibromide (ISO) (1,2-dibromoethane) 2903 .39 - - Other …

Section VI > Chapter 29 > Heading 2932

Explanatory notes

… includes, inter alia  : (1)   Tetrahydrofuran . Colourless liquid. (2)   2-Furaldehyde (furfural)* . Prepared by distilling cereal bran with sulphuric acid. Colourless liquid with a characteristic aromatic … exposed to air. Reacts vigorously with concentrated mineral acids. Used as a solvent for cellulose nitrate, and for the …

Section VI > Chapter 28 > Heading 2852

Explanatory notes

… common compounds of mercury are listed below : (1) Mercury oxides . Mercuric oxide (HgO) is the most important oxide of … paints or mercury salts, and as catalysts. (2) Mercury chlorides . (a) Mercurous chloride (calomel) (Hg 2 Cl 2 ). …

Section XVIII > Chapter 90 > Heading 9027

Explanatory notes

… are instruments for determining the refractive index of liquids or solids (one of the most important constants in … Oxygen meters for the determination of dissolved oxygen in liquids by use of a polarometric cell or by using the … analysers for the determination of the components of liquids, e.g., traces of dissolved metals in water, by …