Harmonized System

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Section VI > Chapter 28 > Heading 2836

Explanatory notes

… carbonates) ‑ metal salts of the non‑isolated carbonic acid (H 2 CO 3 ), whose anhydride (CO 2 ) falls in heading 28.11. (II)  … these result from the action of carbon dioxide on metal peroxides. (A) CARBONATES (1)   Ammonium …

Section VI > Chapter 32 > Heading 3206

Explanatory notes

…               - Pigments and preparations based on titanium dioxide : 3206.11 - - Containing 80 % or more by weight of … Lithopone and other pigments and preparations based on zinc sulphide 3206.49 - - Other 3206.50 - Inorganic products of a … heading excludes , however : (a)  Natural micaceous iron oxides; earth colours, whether or not calcined or mixed …

Section VI > Chapter 29 > Heading 2930

Explanatory notes

… ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS, AND SULPHONAMIDES GENERAL The … : Thiazole group (heading 29.34)* . (c) Two nitrogen : Imidazole and pyrazole groups (heading 29.33)* . (3) … (Thiapyran) group (heading 29.34)* . (c)  Of nitrogen : Pyridine group (heading 29.33)* . (2)   Containing two …

Section II > Chapter 13 > Heading 1302

Explanatory notes

… from the original vegetable material by solvents), provided that they are not specified or included in more … . These saps and extracts differ from the essential oils, resinoids and extracted oleoresins of heading 33.01, in … of poppy straw containing not less than 50 % by weight of alkaloids are excluded from this heading (see Note 1 (f) to …

Section VI > Chapter 29 > Heading 2919

Explanatory notes

… Sub-Chapter VIII ESTERS OF INORGANIC ACIDS OF NON-METALS AND THEIR SALTS, AND THEIR HALOGENATED, … in which R is an alcoholic or phenolic radical and X is the residue of the inorganic acid molecule known as an acid …

Section VI > Chapter 29 > Heading 2914

Explanatory notes

… 2914.61 ‑ ‑ Anthraquinone 2914.62 ‑ ‑ Coenzyme Q10 (ubidecarenone (INN)) 2914.69 ‑ ‑ Other               ‑ … distillation of wood (methyl alcohol and crude pyroligneous acid), but is mainly obtained by synthesis. Colourless liquid with an agreeable ether‑like odour. Used in numerous …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… this heading covers the metal salts of sulphuric acid (H 2 SO 4 ) (heading 28.07), but excludes mercury … crystal and optical glass); in tanning for preserving hides; in paper‑making (preparation of certain chemical … Sodium hydrogen sulphate (acid sulphate) (NaHSO 4 ). This residual salt of the manufacture of nitric acid occurs in …

Section VI > Chapter 29 > Heading 2941

Explanatory notes

… - Penicillins and their derivatives with a penicillanic acid structure; salts thereof 2941.20 - Streptomycins and … to the term antibiotics as not all antibacterials are considered antibiotics. Antibacterials are substances that … or by biosynthesis (e.g., penicillins from selected amino-acids); Natural antibiotics reproduced by synthesis (e.g., …

Section VI > Chapter 29 > Heading 2904

Explanatory notes

… nitroso groups               - Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : 2904.31 ‑ - Perfluorooctane sulphonic acid … sulpho group (-SO 3 H); they are generally called sulphonic acids. The heading also includes salts and ethyl esters of …

Section VI > Chapter 29 > Heading 2931

Explanatory notes

… ‑ ‑ Diethyl ethylphosphonate 2931.44 ‑ ‑ Methylphosphonic acid 2931.45 ‑ ‑ Salt of methylphosphonic acid and … ‑ ‑ 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide 2931.47 ‑ ‑ (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl …