Harmonized System

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Section VI > Chapter 28 > Heading 2809

Explanatory notes

… phosphorus pentoxide, phosphoric anhydride) (P 2 O 5 ) is obtained by combustion, in dry air, of phosphorus extracted from natural phosphates. It is … white powder, absorbs water avidly, and is transported in airtight packings. It is used for drying gases, and in …

Section XVI > Chapter 85 > Heading 8546

Explanatory notes

… accordion, petticoat, grooved, cylinder or other shapes. Certain types are constructed in such a way that when in position they may contain oil to prevent contamination of the surface by … usually very hard and non‑porous, e.g., ceramic material (porcelain, steatite), glass, fused basalt, hardened rubber, …

Section VI > Chapter 29 > Heading 2914

Explanatory notes

… other oxygen function” means ketones and quinones which contain also one or more of the oxygen functions referred to … etc., functions). (A) KETONES* These are compounds containing the group ( > C=O), so‑called “carbonyl” group, … wood (methyl alcohol and crude pyroligneous acid), but is mainly obtained by synthesis. Colourless liquid with an …

Section VI > Chapter 29 > Heading 2901

Explanatory notes

… 2901.29 - - Other Acyclic hydrocarbons are compounds containing only carbon and hydrogen which have no rings in … (C n H 2n+2 ). They occur abundantly in nature and are the main components of petroleum oils. The basic hydrocarbon is … the form of separate chemically defined compounds, whether obtained by refining petroleum oils and natural gas or by …

Section VI > Chapter 29 > Heading 2912

Explanatory notes

… are compounds formed by oxidising primary alcohols; they contain the characteristic group : They are generally … many aromatic aldehydes readily oxidise on contact with air, being converted into acids. The term “aldehydes, with … acyclic aldehydes . (1) Methanal (formaldehyde) (HCHO). Obtained by catalytic oxidation of methanol. Colourless gas …

Section VI > Chapter 29 > Heading 2907

Explanatory notes

… and its salts 2907.29 - - Other Phenols are obtained by replacing one or more hydrogen atoms of the … or in needles; colourless but turns brown in contact with air. Slight odour of phenol. Used for the manufacture of …

Section XV > Chapter 72 > Heading 7202

Explanatory notes

… Ferro-alloys.               - Ferro-manganese : 7202.11 - - Containing by weight more than 2 % of carbon 7202.19 - - … are malleable. They are used in the iron or steel industry mainly to add definite proportions of alloying elements to …

Section XI > Chapter 58 > Heading 5806

Explanatory notes

… and chenille fabrics 5806.20 ‑ Other woven fabrics, containing by weight 5 % or more of elastomeric yarn or … the edges of strips, or by fusing the edges in the case of certain ribbons of man‑made fibres. They may also be created … of silk, wool, cotton or man‑made fibres, whether or not containing elastomeric yarn or rubber thread, and are used …

Section XVIII > Chapter 90 > Heading 9019

Explanatory notes

… the body, using the action of water or a blend of water and air under pressure.  Examples of these appliances include … to test people whose occupations demand special aptitudes (airmen, drivers, etc.), or to test the educational or … speeds and abrupt stopping to test the reactions of aircraft pilots). It should, however, be noted that the …

Section IX > Chapter 44 > Heading 4403

Explanatory notes

… or roughly squared (+).               ‑ Treated with paint, stains, creosote or other preservatives : 4403.11 - - … to a smooth surface ready for use. These poles are often painted, stained, varnished or impregnated with creosote or …

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