Harmonized System

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Section VI > Chapter 38 > Heading 3801

Explanatory notes

… graphite (electro‑graphite) is a variety of carbon, usually prepared in an electric furnace by heating a mixture … ash content (not exceeding 20 parts per million), and is used as a moderator or reflector in nuclear reactors. (b) …

Section XV > Chapter 81 > Heading 8112

Explanatory notes

… ore) and barium or other fluorides. A graphite crucible is used as anode and the metal is collected on a water‑cooled … iron cathode. (2)   Reduction of beryllium fluoride using magnesium. * *    * Beryllium is a steel‑grey metal, …

Section IV > Chapter 17 > Heading 1702

Explanatory notes

… colourless crystals, which absorb odours.        Lactose is used extensively, with milk, in the preparation of infant … Invert sugar , the main constituent of natural honey. It is usually prepared commercially by the hydrolysis of refined …

Section XX > Chapter 96 > Heading 9601

Explanatory notes

… plates or strips for inlaying, etc., or for subsequent use in the manufacture of piano‑keys). Provided they are … from the foreheads of ruminants. (Horn‑cores are not used as carving or moulding materials but almost exclusively … beyond cleaning or scraping, simple sawing to remove useless parts, cutting (sometimes followed by rough planing) …

Section VI > Chapter 30 > Heading 3006

Explanatory notes

… or on spermicides 3006.70 - Gel preparations designed to be used in human or veterinary medicine as a lubricant for … sutures, provided they are sterile. These ligatures are usually put up in antiseptic solutions or in sealed sterile …

Section VI > Chapter 28 > Heading 2840

Explanatory notes

… a vitreous mass (melted borax, borax glass, borax bead). Used for stiffening linen or paper; in soldering metals … borates (metaborates, hydrogen diborate) for laboratory uses. (2)   Ammonium borates . The most important of these …

Section V > Chapter 25 > Heading 2530

Explanatory notes

… MICACEOUS IRON OXIDES The colours classified here are usually naturally occurring clays mixed with white or … because of their colouring properties, they are generally used as pigments. They include : (1)   Ochres (yellow, … to drive off traces of oil and water, for non‑metallurgical uses (lubrication). (13) Nsutite, a manganese ore containing …

Section XVI > Chapter 85 > Heading 8504

Explanatory notes

… any moving parts, transform, by means of induction and using a preset or adjustable system, an alternating current … current of different voltage, impedance, etc. These usually consist of two or more coils of insulated wire wound … or voltage transformers, combined instrument transformers) used to step down or step up voltages or currents to the …

Section XVI > Chapter 85 > Heading 8518

Explanatory notes

… in the electrical resistance of carbon granules, caused by differences in the pressure exerted upon them when … rendered more sensitive by the addition of amplifiers (usually referred to as pre-amplifiers). Capacitors are …

Section XIV > Chapter 71 > Heading 7106

Explanatory notes

… with other metals. Unalloyed silver is, however, widely used in electrical applications (contacts, fuses, etc.), in … silver and its alloys in the following forms : (I) Powder , usually in the form of finely divided powder, obtained by …