Harmonized System

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Section VI > Chapter 28 > Heading 2802

Explanatory notes

… Sublimed sulphur , or flowers of sulphur , is obtained by slow distillation of crude or impure sulphur, followed by condensation in the solid form (or sublimation) as fine, … The precipitated sulphur classified here is always obtained by precipitating a solution of a sulphide, or of an alkaline …

Section V > Chapter 25 > Heading 2501

Explanatory notes

… : (A) Salt which is extracted from underground : ‑ either by conventional mining (rock salt), ‑ or by solution mining (water is injected under pressure into a … (B) Evaporated salt : ‑ solar salt (sea salt) is obtained by evaporation of sea water by the sun; ‑ refined salt is …

Section II > Chapter 11 > Heading 1103

Explanatory notes

… groats and meal of this heading are products, obtained by the fragmentation of cereal grains (including whole maize … groats are small fragments or floury kernels obtained by the rough grinding of grains. Meal is a more granular … the first sifting after the initial milling operation, or by re‑grinding and re‑sifting the groats resulting from that …

Section IX > Chapter 44 > Heading 4413

Explanatory notes

… plates, strips or profile shapes. Densified wood covered by this heading has been chemically or physically treated to … laminated wood than to solid wood, since penetration is thereby facilitated. Metallised wood is obtained by plunging …

Section XIII > Chapter 70 > Heading 7003

Explanatory notes

… surfaces. It may also be artificially coloured in the mass by means of metallic oxides  or  other  salts.  Surface  … of obscuration.        Owing to the nature of the processes by which they are made, the types of glass in this category are not rendered plane by further processing. As already stated, this heading …

Section XV > Chapter 73 > Heading 7302

Explanatory notes

… One type consists of two long parallel bars connected by closely spaced transverse rods; the spaces between these … final shape after rolling, but they may also be assembled by welding or riveting several elements together. They … to fix bull‑head rails to the sleepers; they are secured by coach screws or bolts.       Chair wedges are used to …

Section XVI > Chapter 84 > Heading 8404

Explanatory notes

… (1)   Economisers for pre-heating the boiler feed water by utilising the waste heat of the flue gases or, in some … a cast iron body into which the steam is passed and cooled by a flow of water. (5)   Steam collectors . Cylindrical … super-heaters, watertubes, firetubes and economisers) by the use of jets of steam or compressed air. They consist …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… INORGANIC ACIDS AND METALS GENERAL Metal salts are obtained by replacing the hydrogen element in an acid by a metal or by the ammonium ion (NH 4 + ). In the liquid state or in …

Section XI > Chapter 58 > Heading 5803

Explanatory notes

… warp and the weft are not interlaced but are held together by the crossing warp. Variations can be obtained by the crossing threads crossing with each other (so‑called crocheted gauze, Marly gauze), by inserting two or more weft threads together through the …

Section I > Chapter 4 > Heading 0405

Explanatory notes

… a milkfat content of 80 % or more but not more than 95 % by weight, a maximum milk solids-not-fat content of 2 % by weight and a maximum water content of 16 % by weight. Butter contains no added emulsifiers, but may …

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