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Harmonized System
Section I > Chapter 5 > Heading 0506
… simply prepared (but not cut to shape), treated with acid or degelatinised; powder and waste of these products. …
Explanatory notes
… simply prepared (but not cut to shape), treated with acid or degelatinised; powder and waste of these products. 0506.10 ‑ Ossein and bones treated … The products of this heading are used mainly as carving materials, for the manufacture of glue and gelatin or as …Section X > Chapter 47 > Heading 4702
Explanatory notes
… is removed. The chemicals usually employed are sodium hydroxide (“soda” process), a mixture of sodium hydroxide and sodium sulphate, which is converted partly into sodium sulphide (“sulphate” process), calcium bisulphite or …Section XV > Chapter 78 > Heading 7806
Explanatory notes
… vats, reservoirs, drums and similar containers (for acids, radioactive products or other chemicals), not fitted with mechanical or thermal equipment; lead weights … ( heading 84.81 ), tubes and pipes made up into specific identifiable articles, such as machinery parts ( Section XVI …Section VI > Chapter 28 > Heading 2808
… Nitric acid; sulphonitric acids. …
Explanatory notes
… 28.08 ‑ Nitric acid; sulphonitric acids. (A) NITRIC ACID Nitric acid (HNO 3 ) is mainly obtained by oxidising ammonia in the presence of a catalyst (platinum, …Section VII > Chapter 39 > Heading 3917
Explanatory notes
… used for conveying, conducting or distributing gases or liquids (for example, ribbed garden hose, perforated tubes), provided that they have an internal cross‑section which is …Section XV > Chapter 74 > Heading 7407
Explanatory notes
… They may subsequently be cold‑finished (if necessary after annealing) by cold‑drawing, straightening, or other … be worked (e.g., drilled, punched, twisted or crimped), provided that they do not thereby assume the character of articles or of products of other headings. The …Section XV > Chapter 75 > Heading 7501
… Nickel mattes, nickel oxide sinters and other intermediate products of nickel …
Explanatory notes
… 75.01 ‑ Nickel mattes, nickel oxide sinters and other intermediate products … to the ores and processes employed, of nickel‑iron sulphides, nickel‑iron‑copper sulphides, nickel sulphides or …Section XV > Chapter 81 > Heading 8102
Explanatory notes
… is mainly obtained from the ores molybdenite (molybdenum sulphide) and wulfenite (lead molybdate) which are concentrated by flotation, converted into the oxide and then reduced to the metal. The metal is obtained …Section VI > Chapter 28 > Heading 2807
… Sulphuric acid; oleum. …