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SECTION DES CODES HS

Codes des sections

Description de la section

Section 28

PRODUCTS OF THE CHEMICAL OF ALLIED INDUSTRIES

CHAPITRE DES CODES HS

Codes des chapitres

Description du chapitre

Chapitre 28

Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals of radioactive elements or of isotopes

POSITIONS DES CODES HS

Codes des positions

Description de la position

2801

CHEMICAL ELEMENTS Fluorine

2802

Sulphur

2803

Carbon（carbon blacks and other forms of carbon not elsewhere specified or included

2804

Hydrogen

2805

Alkali or alkaline-earth metals; rare-earth metals

2806

Ⅱ. INORGANIC ACIDS AND INORGANIC; OXYGEN COMPOUNDS OF NON-METALS Hydrogen chloride（hydrochloric acid）; chorosulphuric acid

2807

Sulphuric acid; oleum

2808

Nitric acid; sulphonitric acids

2809

Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids

2810

Oxides of boron; boric acids

2811

Other inorganic acids and other inorganic oxygen compounds of non-metals

2812

Halides and halide oxides of non-metals

2813

Sulphides of non-metals; commercial phosphorus trisuiphides

2814

Ammonia

2815

Sodium hydroxide(caustic soda); potassium hydroxide(caustic potash);peroxides or sodium or postassium

2816

Hydroxide and peroxide of magnesium; oxides

2817

Zinc oxide; Zinc peroxide

2818

Artificial corundum

2819

Chromium oxides and hydroxides

2820

Manganese oxide

2821

Iron oxides and hydroxides; earth colours containing 70%or more by weight of combined iron evaluated as Fe2O3;

2822

Cobalt oxides and hydroxides; commercial cobalt oxides

2823

Titanium oxides

2824

Lead oxides; red lead and orange lead

2825

Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; othermetal oxides

2826

Fluorides; fluorosilicates，fluoroaluminates and other complex fluorine salts

2827

Chlorides

2828

Hypochlorites ; commercial calcium hypochlorite ; chlorites ; hypobromites

2829

Chlorates and perchlorates; bromates and perbromates; iodates and periodates

2830

Sulphides; polysulphides

2831

Dithionites and sulphoxylates

2832

Sulphites; thiosulphates

2833

Sulphates;alums;peroxosulphates (persul-phates)

2834

Nitrites ; nitrates

2835

Phosphinates(hypophosphites)

2836

Carbonates;peroxocarbonates(percarbonates);commercial ammonium carbonate containing ammonium carbamate;

2837

Cyanides

2839

Silicates ; commercial alkali metal silicates

2840

Borates; peroxoborates（perborates）

2841

Salts of oxometanic or peroxometallicacids

2842

Other Salts of inorganic acids or peroxoacids（including aluminosilicates whether or not chemically defined）

2843

Colloidal precious metals; inorganic or organic compounds of precious metals

2844

Radioactive chemical elements and radioactive isotopes（including the fissile or fertile chemical elements and isotopes）and their compounds; mixtures and residues containing these products;

2845

Isotopes other than those of heading No.28.44; compounds

2846

Compounds

2847

Hydrogen peroxide

2849

Carbides

2850

Hydrides

2852

Compounds

2853

Other inorganic compounds（including distilled or conductivity water and water of similar purity）; liquid air（whether or not rare gases have been removed）; compressed air; amalgams