Harmonized System

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Section VI > Chapter 29 > Heading 2932

Explanatory notes

… mainly used for medicine and food, especially for the treatment and diet of diabetic patients. (6)   Furan . (B)  … ester functions in a ring. They are known as mono-, di-, trilactones, etc., according to the number of ester … (ISO).  It is one of the most toxic carbamate pesticides.  Trade is controlled under the Rotterdam Convention.         …

Section VI > Chapter 29 > Heading 2930

Explanatory notes

… contain, in addition to atoms of hydrogen, oxygen or nitrogen, those of metals or other non-metals (such as … : Furazan group (heading 29.34)* . (b) Three nitrogen : Triazole group (heading 29.33)* . (c) Four nitrogen : Tetrazole group (heading 29.33)* . (B) SIX-MEMBERED RINGS …

Section XV > Chapter 76

Explanatory notes

… For this purpose the ground ore is calcined and then treated with sodium hydroxide to produce a solution of … completely pure. Aluminium may also be obtained by the treatment of certain other ores such as leucite (double … Certain of the alloys may be improved by age‑hardening treatments. These processes may be followed by tempering. …

Section V > Chapter 25 > Heading 2530

Explanatory notes

… used in pyrotechnics. (ii) Orpiment, which is an arsenic trisulphide, bright yellow, used in paint‑making. Mispickel … of all kinds ( heading 25.05 ). (7)   Pozzolana, santorin, trass and similar earths, sometimes called natural cements … ). (11) Opacifiers used in enamelling, obtained by the treatment (purification with hydrochloric acid and …

Section XVIII > Chapter 90 > Heading 9007

Explanatory notes

… projection of moving pictures whether or not having a sound track on the same film. They have an optical system which … sound-head and a charge-coupled device. The sound tracks for most commercial films are printed in dual format, … projector . On the other hand, monopods, bipods, tripods and similar articles are, however, excluded ( …

Section XV > Chapter 72 > Heading 7208

Explanatory notes

… heading may have been subjected to the following surface treatments : (1)         Descaling, pickling, scraping and … from rust or other oxidation, to prevent slipping during transport and to facilitate handling e.g., paints containing … facilitating any later cold deformation of the products treated and the application of paints or other non‑metallic …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… ion (NH 4 + ). In the liquid state or in solution, they are electrolytes giving a metal (or a metal ion) at the cathode. … in the manufacture of glass or of ceramics. (6)   Chromium trifluoride (CrF 3 .4H 2 O). Dark green powder, soluble in … (C) FLUOROALUMINATES AND OTHER COMPLEX FLUORINE SALTS (1)   Trisodium hexafluoroaluminate (sodium hexafluoroaluminate) …

Section XVIII > Chapter 90 > Heading 9019

Explanatory notes

… APPLIANCES These appliances are mainly used to treat diseases of the joints or muscles, by mechanical … of various movements. It should be noted that such treatment is usually carried out under medical supervision; … rowing movements; stationary one‑wheeled cycles for training purposes or for developing leg muscles). Since …

Section XVI > Chapter 84 > Heading 8465

Explanatory notes

… machines. Although they might be considered to be for the treatment of the materials mentioned in the heading, the … paring and slicing machines . All these machines transform a workpiece mechanically without removing chips of … shearing machines which use rectilinear blades, mitre trimming machines and mullion cutting machines. (11) Lathes …

Section VI > Chapter 28 > Heading 2837

Explanatory notes

… gases and atmospheric nitrogen on sodium carbonate, by treating calcium cyanamide (see heading 31.02) with charcoal … 4 Fe(CN) 6 ) (heading 28.11). Obtained from spent oxide treated with calcium hydroxide or from the action of ferrous … Fe(CN) 6 ) (heading 28.11). The most important are : (1)   Trisodium hexacyanoferrate (Na 3 Fe(CN) 6 .H 2 O). Obtained …

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