Harmonized System

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Section XX > Chapter 94 > Heading 9405

Explanatory notes

… ‑ ‑ Designed for use solely with light-emitting diode (LED) light sources 9405.19 ‑ ‑ Other               ‑ … onto a given point or surface, by means of a reflector and lenses, or with a reflector only. The reflectors are usually … as well as tubes in various complex forms such as scrolls, letter, figures, stars, etc.), arc- lamps and light-emitting …

Section VI > Chapter 38 > Heading 3824

Explanatory notes

… Note 3 to this Chapter : 3824.81 - - Containing oxirane (ethylene oxide) 3824.82 - - Containing polychlorinated … barium, zinc, manganese, aluminium, cobalt, chromium, lead, etc., naphthenates, some of which are used for the … crystals ( other than optical elements) weighing not less than 2.5 g each, of magnesium oxide or of the halides …

Section VI > Chapter 29 > Heading 2903

Explanatory notes

… chloroethane (ethyl chloride) 2903.12 - - Dichloromethane (methylene chloride) 2903.13 - - Chloroform (trichloromethane) … and in organic synthesis. (2)   Dichloromethane (methylene chloride). A toxic, colourless, volatile liquid; …

Section VI > Chapter 29 > Heading 2901

Explanatory notes

… - Saturated               - Unsaturated : 2901.21 - - Ethylene 2901.22 - - Propene (propylene) 2901.23 - - Butene (butylene) and isomers thereof … unsaturated hydrocarbons contain two, four, six, etc., less atoms of hydrogen than saturated acyclic hydrocarbons …

Section VI > Chapter 29 > Heading 2914

Explanatory notes

… ketone) 2914.19 ‑ ‑ Other               ‑ Cyclanic, cyclenic or cycloterpenic ketones without other oxygen … These are compounds containing the group ( > C=O), so‑called “carbonyl” group, and can be represented by the … acid), but is mainly obtained by synthesis. Colourless liquid with an agreeable ether‑like odour. Used in …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… vitreous masses or in needle‑shaped crystals. Used for lessening the natural buoyancy of ores in flotation … slaughterhouses, in iron‑tanning and as a fungicide. As it lessens the buoyancy of ores, it is used as a flotation … cells (Weston cells); in electroplating and in dyeing. (13) Lead sulphates . (a)  Artificial lead sulphate (PbSO 4 ). …

Section VI > Chapter 28 > Heading 2804

Explanatory notes

… - Silicon : 2804.61 - - Containing by weight not less than 99.99 % of silicon 2804.69 - - Other 2804.70 - … properties. It is used in certain alloys (e.g., tellurium‑lead alloys), and also as a vulcanising agent. (5)   Silicon … (red selenium), for the manufacture of rubber, of special lenses, etc. The heading excludes selenium in colloidal …

Section VI > Chapter 30 > Heading 3006

Explanatory notes

… goods specified in Note 4 to this Chapter.(+) 3006.10 - Sterile surgical catgut, similar sterile suture materials … to sterile laminaria and sterile laminaria tents (small lengths of algae, sometimes brown and with a rough grooved …

Section VI > Chapter 28 > Heading 2811

Explanatory notes

… and carbonises organic matter. It is presented in metal bottles lined with lead, gutta‑percha or ceresine wax, or in rubber or plastic … flasks. Its uses include etching on glass, manufacturing ashless filter paper, preparation of tantalum, of fluorides, …

Section VI > Chapter 28 > Heading 2841

Explanatory notes

… industrial water and as an anti‑scale compound. (h) Lead aluminate . Obtained by heating a mixture of lead oxide … in water. Transformed by heat into the anhydrous and less deliquescent dichromate (i.e., melted or cast chromate) …