Harmonized System

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Section VI > Chapter 28 > Heading 2828

Explanatory notes

… off chlorine, is a very powerful oxidising and bleaching agent. (1)   Sodium hypochlorite (NaClO.6H 2 O). Put up in … are colourless or yellowish, smelling of chlorine. They generally contain as impurities a small quantity of sodium chloride. Used for bleaching vegetable fibres or wood pulp, disinfecting premises, …

Section VI > Chapter 28 > Heading 2809

Explanatory notes

… amorphous or vitreous form. These three varieties mixed together give “phosphoric snow”, classified here. (B) … elements of water. In this way, a series of linear acids of general formula H n+2 P n O 3n+1 , where n is 2 or more, and … general formula (HPO 3 ) n , where n is 3 or more, can be generated. (1)   Pyrophosphoric acid (diphosphoric acid, H 4 …

Section VI > Chapter 38 > Heading 3806

Explanatory notes

… or potassium hydroxides.  The other inorganic resinates are generally prepared by precipitating a solution of sodium or … is very low. Polymerised rosin and resin acids are generally composed of dimer and unpolymerised acids and may …

Section VI > Chapter 28 > Heading 2813

Explanatory notes

… when impure. Very volatile and highly inflammable, it is dangerous to inhale and to handle. It is presented in … in volatile needles. Decomposes water with formation of gelatinous silica. (3)   Arsenic sulphides .        This … from arsenic or arsenous oxide by treatment with sulphur or hydrogen sulphide. (a)  Diarsenic disulphide (artificial …

Section VI > Chapter 28 > Heading 2815

Explanatory notes

… wood pulps by elimination of the lignin, manufacture of regenerated cellulose, mercerising of cotton, tantalum or … oil of heading 38.03  can be obtained and sodium hydroxide regenerated. The heading also excludes the mixtures of … specific gravity about 2.8. It is decomposed by water, generating heat and forming hydrogen peroxide. It is also …

Section X > Chapter 48 > Heading 4819

Explanatory notes

… including record sleeves 4819.60 ‑ Box files, letter trays, storage boxes and similar articles, of a kind used in … This group covers containers of various kinds and sizes generally used for the packing, transport, storage or sale … reinforcements or accessories of non‑paper materials (e.g., hinges, handles, locking devices of metal, wood, plastics or …

Section IX > Chapter 44 > Heading 4415

Explanatory notes

… and boxes with solid sides, lids and bottoms, used for general packing and transport purposes. (2)   Crates, fruit or vegetable boxes, egg trays and other containers with slatted … or dovetailed or otherwise jointed. They may be fitted with hinges, handles, fasteners, feet or corner pieces, or lined …

Section XVII > Chapter 87 > Heading 8709

Explanatory notes

… main features common to the vehicles of this heading which generally distinguish them from the vehicles of heading … whether or not fitted with tyres. (4)   Clutches. (5)   Gear boxes (transmissions), differentials. (6)   Axles. …

Section VI > Chapter 38 > Heading 3801

Explanatory notes

… with an apparent specific gravity of about 1.5 to 1.6 and a homogeneous microcrystalline structure which X‑ray … (alone or compounded with other substances). They are generally of the following types :       (i)    “ Carbons ” … as obtained from the materials described above are generally in sizes about 200 x 100 x 35 mm or 150 x 70 x …

Section XIII > Chapter 68 > Heading 6804

Explanatory notes

… or stepped); they may also be planed or profiled at the edges.        The heading covers such tools not only when … cross- section . They may also consist of prismatic plates, generally of agglomerated boron carbide, used in the hand, … and grindstones for milling or grinding These products are generally put up in pairs and have a conical surface (one …

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