Harmonized System

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Section VI > Chapter 38 > Heading 3801

Explanatory notes

… at about 1000 °C and then graphitised, or they may be submitted directly to the graphitisation process.         In …

Section VI > Chapter 38 > Heading 3802

Explanatory notes

… in the presence of natural impurities or added foreign matter. This treatment causes a change in the structure of … in the case of crystalline substances, distortions in the lattice due to the insertion or substitution of atoms with …

Section XVIII > Chapter 90 > Heading 9001

Explanatory notes

…      Optical fibre cables of this heading (which may be fitted with connectors) consist of a sheath containing one …

Section VI > Chapter 35 > Heading 3507

Explanatory notes

… of plants, of micro-organisms or of culture-broths (the latter derived from bacteria, moulds, etc.).  These …

Section VI > Chapter 38 > Heading 3822

Explanatory notes

… - - For malaria 3822.12 - - For Zika and other diseases transmitted by mosquitoes of the genus Aedes 3822.13 - - For … compounds of Chapter 28 or Chapter 29, synthetic colouring matter of heading 32.04 or any other substance which, when …

Section XV > Chapter 74

Explanatory notes

… excess sulphur and smelted in a furnace to produce copper matte or regulus. In some cases the concentrated ore is … furnace (“flash smelting”) without prior roasting. The matte is treated in a converter to eliminate most of the … welding electrodes. * *    * This Chapter covers : (A)  Mattes and other intermediate products of copper metallurgy …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… elements ( heading 28.44 ), of rare- earth metals, of yttrium or of scandium or of mixtures of these metals ( …

Section VI > Chapter 28 > Heading 2843

Explanatory notes

… Silver oxides are used, inter alia , in the manufacture of batteries. (b) Silver halides . Silver chloride (AgCl) is a …