Harmonized System
Section XVI > Chapter 85 > Heading 8540
Explanatory notes
… klystrons, travelling wave tubes, carcinotrons), excluding grid-controlled tubes : 8540.71 - - Magnetrons 8540.79 - - … 8540.91 - - Of cathode-ray tubes 8540.99 - - Other This heading covers only those valves and tubes which, for … electrodes. Certain types (e.g., thyratrons) have control grids so that their operation can be regulated and even …Section IV > Chapter 22 > Heading 2208
Explanatory notes
… strength : (A) Spirits produced by distilling wine, cider or other fermented beverages or fermented grain or other vegetable products, without adding flavouring; they retain, wholly or partly, the secondary constituents (esters, aldehydes, acids, higher alcohols, etc.) which give the spirits their …Section XVI > Chapter 84 > Heading 8407
Explanatory notes
… capacity exceeding 1,000 cc 8407.90 - Other engines This heading covers spark-ignition reciprocating internal … force of a charge of inflammable gas or vapour burned inside a cylinder. The characteristic feature of these … opposed rows (V-engines), horizontally opposed on opposite sides on the crank shaft or, for certain aircraft engines, …Section VI > Chapter 28 > Heading 2834
Explanatory notes
… mentioned in the introduction to this sub‑Chapter, this heading includes nitrites, metal salts of nitrous acid (HNO 2 ) (heading 28.11). (1) Sodium nitrite (NaNO 2 … this heading covers nitrates, metal salts of nitric acid (heading 28.08), other than ammonium nitrate and sodium …Section VI > Chapter 29 > Heading 2901
Explanatory notes
… those containing five to fifteen atoms of carbon are liquid; hydrocarbons with a greater number of carbon atoms are generally solid. One or more of the hydrogen atoms in these hydrocarbon molecules may be replaced by alkyl radicals (e.g., methyl, ethyl, propyl); thus isobutane …Section VI > Chapter 29 > Heading 2912
Explanatory notes
… 2912.60 ‑ Paraformaldehyde These are compounds formed by oxidising primary alcohols; they contain the characteristic group : They are generally colourless liquids with a strong, penetrating odour; many aromatic aldehydes readily oxidise on contact with air, being converted into …Section VI > Chapter 29 > Heading 2907
Explanatory notes
… or more hydrogen atoms of the benzene ring by the hydroxyl radical (-OH). Replacement of one hydrogen atom gives …Section VI > Chapter 29 > Heading 2909
… ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically …
Explanatory notes
… Sub-Chapter IV ETHERS, ALCOHOL PEROXIDES, ETHER PEROXIDES, ACETAL AND HEMIACETAL PEROXIDES … nitrated or nitrosated derivatives (A) ETHERS Ethers may be considered as alcohols or phenols in which the hydrogen atom of the hydroxyl group is replaced by a hydrocarbon radical (alkyl or aryl). They have the general formula : …Section XVI > Chapter 85 > Heading 8523
… Discs, tapes, solid-state non-volatile storage devices, «smart cards» and …