Harmonized System

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Section VI > Chapter 29 > Heading 2925

Explanatory notes

… IMIDES Imides have the general formula (R=NH), where R is a dibasic acyl radical. (1) Saccharin or … an odourless, white crystalline powder having a very sweet taste; its sodium and ammonium salts have a lower sweetening …

Section VII > Chapter 39 > Heading 3911

Explanatory notes

… used in adhesives and coatings and are often incorporated as softeners in rubber or plastics, for example, for use in floor tiles. (2)   … is bound on both sides by carbon atoms, as opposed to the thioplasts of Chapter 40, which contain sulphur‑sulphur …

Section IV > Chapter 22 > Heading 2202

Explanatory notes

… - - Other This heading covers non‑alcoholic beverages, as defined in Note 3 to this Chapter, not classified under other headings, particularly heading 20.09 … sometimes added. They are often aerated with carbon dioxide gas, and are generally presented in bottles or other …

Section VI > Chapter 28 > Heading 2816

Explanatory notes

… on magnesium hydroxide. White powder, containing oxide as impurity; almost insoluble in water. Used for bleaching feathers, in preparing dentifrices or as a gastro‑intestinal antiseptic. Magnesium oxide is excluded ( … 8 H 2 O; forms the carbonate when exposed to air. Used in glass manufacture, and for the preparation of strontium …

Section VI > Chapter 29 > Heading 2924

Explanatory notes

… may be substituted by alkyl or aryl radicals, in which case the products are N– substituted amides. Some amides of … 31.02 or 31.05 . (A) ACYCLIC AMIDES (1) Acetamide . (2) Asparagine , the mono-amide of aspartic acid. Extracted from certain vegetables. …

Section V > Chapter 25 > Heading 2523

Explanatory notes

… with, a suitable proportion of clay. Other materials such as silica, alumina or iron bearing substances may also be … aluminous cement, slag cement, supersulphate cement (ground blast furnace slag mixed with an accelerator and calcined …

Section XIII > Chapter 68 > Heading 6815

Explanatory notes

… 6815.91 - - Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite … Unfired silica or alumina vats (e.g., as used for melting glass). (7)   Touchstones for testing precious metal; these …

Section XVI > Chapter 84 > Heading 8444

Explanatory notes

… employed, the one or more filaments leaving the nozzles pass either through a bath containing a chemical coagulating … fibres emerging from the nozzle are brought together and assembled by a slight twist given by a special device, thus … in the direction of the filaments thus considerably increasing its strength. (3)   Machines for texturing …

Section VI > Chapter 28 > Heading 2846

Explanatory notes

… the rare‑earth metals of heading 28.05 (lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, … it is used as an opacifier in ceramics, for colouring glass, in the preparation of arc‑lamp carbons and as a …

Section XVII > Chapter 88 > Heading 8805

Explanatory notes

… The heading does not , however, cover other equipment, such as safety equipment (nets, for example). (C)   Ground flying … conditions during flight. When mounted on a motor vehicle chassis or trailer, this type of equipment is classified in heading 87.05 or 87.16 respectively (but see …