Harmonized System

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Section VI > Chapter 28 > Heading 2844

Explanatory notes

… masses, will have the same chemical properties but their physical properties will vary from one isotope to another. … state, e.g., beryllium 9, fluorine 19, aluminium 27, phosphorus 31, manganese 55, etc., are not to be considered … This heading covers only those isotopes which possess the phenomenon of radioactivity (described below); stable …

Section VII > Chapter 39

Section VI > Chapter 28 > Heading 2827

Explanatory notes

… for hardening varnishes or glues, in electroplating, in photography (fixing solutions), etc.        See Explanatory … in organic synthesis (e.g., preparation of amines from phenol) and for drying gases. It is also used in medicine. …

Section XVIII > Chapter 90 > Heading 9025

Explanatory notes

… . These contain liquid crystals which change their physical properties (e.g., colour) according to variations … are classified in heading 90.32 . (6)   Optical, photometric cube type pyrometers . A prism provides a field …

Section XVI > Chapter 84 > Heading 8486

Explanatory notes

… temperatures. This constitutes a thermochemical vapor-phase reaction.  Operations may take place at atmospheric or … (LPCVD) and may use plasma enhancement (PECVD). (c)  Physical Vapour Deposition (PVD) equipment , which deposit … wafer surface. The impact results in the top layer being physically removed from the surface.  (d) Strippers or …

Section VI > Chapter 29 > Heading 2902

Explanatory notes

… (1)   The monocyclic cyclanes include the polymethylene and naphthene hydrocarbons found in certain petroleum oils; … in certain petroleum oils. Used mainly in the production of phenol, acetone a - methylstyrene or as a solvent.       … of lower purity is excluded ( heading 27.07 ). (b) Phenanthrene (C 14 H 10 ). Results from the fusion of three …

Section I > Chapter 3 > Heading 0304

Explanatory notes

… fish ( Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae ) 0304.44 - - Fish of the … Moridae and Muraenolepididae 0304.45 - - Swordfish ( Xiphias gladius ) 0304.46 - - Toothfish ( Dissostichus spp … ( Pleuronectidae , Bothidae , Cynoglossidae , Soleidae , Scophthalmidae and Citharidae ) 0304.84 - - Swordfish ( …

Section VI > Chapter 29 > Heading 2928

Explanatory notes

… derivatives of hydrazine and hydroxylamine include : (1)   Phenylhydrazine* . (2)   Tolylhydrazine . (3)   … Benzylphenylhydrazine . (6)   Naphthylhydrazine . (7)   Phenylhydroxylamine . (8)   Nitrosophenylhydroxylamine . (9)   Dimethylglyoxime . (10) Phenylglucosazone . (11) Phenylglyoxime* . (12) Acetaldehyde …

Section VII > Chapter 39 > Heading 3907

Explanatory notes

… 3907.50 ‑ Alkyd resins               ‑ Poly(ethylene terephthalate) : 3907.61 - - Having a viscosity number of … with bisphenol A (4,4’‑isopropylidenediphenol), novolak (phenolic) resins or other polyhydroxy compounds or by … obtained, for example, by condensing bisphenol A with phosgene (carbonyl chloride) or diphenyl carbonate and …

Section VI > Chapter 28 > Heading 2836

Explanatory notes

… metallurgy of tungsten, bismuth antimony or vanadium; in photography; for purifying industrial water (lime soda … practically insoluble in water. Light carbonate is the pharmacists’ white magnesia, a laxative often presented in … fungicides; in medicine (astringents and antidotes against phosphorus poisoning); in electroplating; in pyrotechnics, …