Harmonized System

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Section IV > Chapter 22 > Heading 2202 > 2202.9 > 2202.99

Classification opinions

… water, sugar, sorbitol, calcium carbonate, magnesium hydroxide, zinc gluconate, vitamin D3, vegetable gum and …

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 28 > Heading 2841

Explanatory notes

… and peroxometallic acids (corresponding to metal oxides which constitute anhydrides). The main groups of … heading are : (1)   Aluminates . Derivatives of aluminium hydroxide. (a)  Sodium aluminate . Obtained by treating bauxite with sodium hydroxide solution. Occurs as a white …

Section VI > Chapter 28 > Heading 2811

Explanatory notes

… oxygen compounds of non‑metals : 2811.21 ‑ ‑ Carbon dioxide 2811.22 ‑ ‑ Silicon dioxide 2811.29 ‑ ‑ Other This heading covers mineral acids and anhydrides and other oxides of non‑metals. The most important are listed below … CHLORINE The most important of these compounds are powerful oxidising and chlorinating agents, used in bleaching and in …

Section VI > Chapter 28 > Heading 2843

Explanatory notes

… METALS, WHETHER OR NOT CHEMICALLY DEFINED These are : (I) Oxides, peroxides and hydroxides of precious metals , analogous to the compounds …

Section VI > Chapter 32 > Heading 3206

Explanatory notes

…               - Pigments and preparations based on titanium dioxide : 3206.11 - - Containing 80 % or more by weight of … heading excludes , however : (a)  Natural micaceous iron oxides; earth colours, whether or not calcined or mixed … heading 29.42 ). (c) Metallic flakes and powders ( Section XIV or XV ). The colouring matter of this heading includes : …

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 mercury. It can exist as a bright-red crystalline powder ( red oxide ) or as …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… by metal; basic salts contain a greater quantity of basic oxide than is necessary to neutralise the acid (e.g., basic … from non‑metals) or in sub‑Chapter IV (acid‑function metal hydroxides). Double or complex salts. Certain double or … weed killers, etc., of heading 38.08 . (h) Fluxes and other auxiliary preparations for soldering, etc. ( heading 38.10 …

Section VI > Chapter 28 > Heading 2846

Explanatory notes

… This means that the heading will include mixtures of oxides or hydroxides of these elements or mixtures of salts having …

Section VI > Chapter 28 > Heading 2836

Explanatory notes

… these result from the action of carbon dioxide on metal peroxides. (A) CARBONATES (1)   Ammonium carbonates . … and ammonium sulphate (or chloride), or by combining carbon dioxide with gaseous ammonia in presence of steam.        …