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PHẦN MÃ HS

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Phần 28

PRODUCTS OF THE CHEMICAL OF ALLIED INDUSTRIES

CHƯƠNG MÃ HS

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Chương 28

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

NHÓM MÃ HS

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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