Harmonized System

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Section XVIII > Chapter 90 > Heading 9025

Explanatory notes

… are used for determining, generally by direct reading on a graduated stem, the specific gravity of solids or liquids, … converted by a table into other units. The instruments are usually made of glass (though some may be of metal, e.g., … a series of smoked glasses, or by the rotation of a graduated wedge of absorbing glass corresponding to given …

Section IV > Chapter 17 > Heading 1702

Explanatory notes

… Invert sugar , the main constituent of natural honey. It is usually prepared commercially by the hydrolysis of refined sucrose solutions and consists of equal proportions by weight of glucose and fructose. It may … dextrose on the dry substance, of not less than 20 %. It is usually in the form of a colourless, more or less viscous …

Section XVI > Chapter 84 > Heading 8438

Explanatory notes

… through a hopper, is divided mechanically into portions of equal size. These machines sometimes incorporate devices for …

Section VI > Chapter 29 > Heading 2925

Explanatory notes

… is linked to a non-acidic organic radical : (R 2 C=NH). (1) Guanidines* . The action of cyanamide on ammonia gives an … (H 2 N) 2 C=NH urea guanidine Guanidine is also formed in the oxidation of …

Section XVI > Chapter 84 > Heading 8426

Explanatory notes

… wagons or trucks for use in railroad goods loading depots, usually comply with this condition. Self‑propelled vehicles … rolling‑stock remain classified in this heading. This is usually the case, for example, with contractors’ cranes mounted to run on rails in servicing building sites, quarries, etc. (b)   Machines  mounted on tractors or motor …

Section XVIII > Chapter 90 > Heading 9022

Explanatory notes

… the X‑ray generating tube or tubes. This unit, which is usually suspended or mounted on a pedestal or other support … The electrodes are mounted in a tube or container, usually of glass, with the appropriate electrical contacts. … filled with oil. Sometimes the tube is gas filled, but more usually it is maintained at a high degree of vacuum.         …

Section VI > Chapter 34 > Heading 3402

Explanatory notes

… are visible to the naked eye, (2) it has separated into visually distinguishable phases or (3) it has separated into … foaming, emulsifying, wetting), which is why they are usually known as “surfactants”. However, products which are …

Section XI > Chapter 58 > Heading 5804

Explanatory notes

… with the warp; the meshes may be in regular hexagonal form, square, or diamond‑shaped (Neuville net). Another variety of … straight threads and temporarily away from them to another (usually adjacent) straight thread, thus producing triangular … thread runs alternately alongside different warps forming square meshes as it passes from one to the other. The …

Section VI > Chapter 38 > Heading 3807

Explanatory notes

… other means, of a wide range of by‑products (wood creosote, guaiacol, etc.).       Cade oil, also known as juniper tar … products of wood distillation, e.g., acetic acid, acetone, guaiacol, formaldehyde, acetates, etc. ( Chapter 29 ). (e)   …

Section IV > Chapter 19 > Heading 1905

Explanatory notes

… and appearance of the products and give them better keeping qualities.  The products of this heading may also be … (also known as knäckebrot) , which is a dry crisp bread usually in thin rectangular or round pricked pieces.  … They are baked for a long time to improve the keeping qualities and are generally put up in closed packages. There …