Harmonized System

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Section VI > Chapter 28 > Heading 2836

Section VI > Chapter 28 > Heading 2842

Explanatory notes

… to prevent the deterioration of sized silk fabrics); for preparing refrigerating mixtures, cyanides or … medicine; as a laboratory reagent; in electroplating; for preparing artificial mustard oil; in the rubber industry, … instead of potassium iodide (against arteriosclerosis); for preparing hexacyanoferrates (II) or other thiocyanates; in …

Section VI > Chapter 38 > Heading 3806

Explanatory notes

… acids are obtained by the following processes : (1)         Separation of volatile terpenic products (spirits of … the manufacture of certain soaps, for sizing paper, in the preparation of varnishes, polishes, mastics, inks, … hydroxides.  The other inorganic resinates are generally prepared by precipitating a solution of sodium or potassium …

Section XVI > Chapter 84 > Heading 8486

Explanatory notes

… . (5)   Wafer grinders, lappers and polishers, which prepare the semiconductor wafer for the fabrication … oxides and nitrides of the substrate surface, metals, and epitaxial layers. The processes and equipments listed below … the source material (target) with ions.  (d) Molecular Beam Epitaxy (MBE) equipment , which grow epitaxial layers on a …

Section VI > Chapter 30 > Heading 3004

Explanatory notes

… derivatives thereof, with a penicillanic acid structure, or streptomycins or their derivatives 3004.20 - Other, … alkaloids or derivatives thereof : 3004.41 - - Containing ephedrine or its salts 3004.42 - - Containing … pseudoephedrine (INN) or its salts 3004.43 - - Containing norephedrine or its salts 3004.49 - - Other 3004.50 - Other, …

Section XVI > Chapter 84 > Heading 8421

Explanatory notes

… , including centrifugal dryers : 8421.11 ‑ ‑ Cream separators 8421.12 ‑ ‑ Clothes ‑dryers 8421.19 ‑ ‑ Other … by the use of centrifugal force, completely or partly separate substances according to their different specific …

Section VI > Chapter 28 > Heading 2834

Explanatory notes

… as a rat‑poison, etc. (2)   Potassium nitrite (KNO 2 ). Prepared by the same method as sodium nitrite, or by the … when impure. Similar uses to sodium nitrate; also for preparing gunpowder, chemical primers, fireworks, matches … in ceramics (iridescent colours); in cosmetics; in the preparation of fulminate primers, etc. (3)   Magnesium …

Section XVI > Chapter 84 > Heading 8479

Explanatory notes

… or the like 8479.20 ‑ Machinery for the extraction or preparation of animal or fixed vegetable or microbial fats … force, whose function can be performed distinctly from and independently of any other machine or appliance.        … any other machine or appliance.                         A separately presented air dehumidifier, even if designed to …

Section VI > Chapter 28 > Heading 2825

Explanatory notes

… salts .     Hydrazine (NH 2 .NH 2 ), a basic product prepared by the oxidation of ammonia with sodium … is used as a reagent in analysis, and in metallurgy (to separate polonium from tellurium).                       …          (b)   Cupric oxide (black copper oxide) (CuO). Prepared from copper nitrate or carbonate or by oxidising …

Section X > Chapter 48 > Heading 4816

Explanatory notes

… They can be grouped in two categories, according to the reproduction process involved : (A) PAPERS REPRODUCING THE ORIGINAL DOCUMENT BY TRANSFER OF ALL OR PART … (a)  thin paper used for interleaving and for one time or repeated use,       or (b) ordinary‑weight coated paper …