Harmonized System

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Section VI > Chapter 29 > Heading 2927

Explanatory notes

… belong to the aromatic series, are characterised by two nitrogen atoms linked by a double bond. (A) DIAZO-COMPOUNDS This group of products includes : (1)   Diazonium salts . These are products of general formula RN 2 + X –  where R is an organic radical and X –  is an anion, for example : (a)  …

Section VI > Chapter 29 > Heading 2903

Section XVIII > Chapter 90 > Heading 9015

Explanatory notes

… for calculating the area of a piece of land; in determining heights above or below some horizontal reference … etc. This group includes : (1)   Optical or opto‑electronic theodolites (vernier reading, microscope, …

Section I > Chapter 3 > Heading 0305

Explanatory notes

… hoeveni, Megalobrama spp. ), eels ( Anguilla spp .), Nile perch ( Lates niloticus ) and snakeheads ( Channa spp. ) 0305.32 - - Fish … of fish, salted or in brine, may contain added sodium nitrite or sodium nitrate. Small quantities of sugar may be …

Section XVIII > Chapter 90 > Heading 9006

Explanatory notes

… apparatus and flashbulbs : 9006.61 ‑ ‑ Discharge lamp (“electronic”) flashlight apparatus 9006.69 ‑ ‑ Other … with automatic shutter release (such as those with an electronically operated shutter) controlled by a watch … etc.), consisting essentially of an optical device and an electronic calculator, designed for the production, by …

Section II > Chapter 14 > Heading 1404

Explanatory notes

… cotton plants, after separation from the cotton fibres by ginning, are still covered with a fine down formed of very … are known as cotton linters. Linters are too short for spinning; their very high cellulose content makes them an … vegetable materials of a kind used primarily in dyeing or tanning. Such products are used primarily in dyeing or …

Section VI > Chapter 29 > Heading 2912

Explanatory notes

… and aldehydes with other oxygen function : 2912.41 ‑ ‑ Vanillin (4‑hydroxy‑3‑methoxybenzaldehyde) 2912.42 ‑ ‑ … as a stabiliser.       Methanal has many applications; in organic synthesis (dyestuffs, explosives, pharmaceutical products, synthetic tanning agents, plastics, etc.), as an antiseptic, deodorant …

Section VI > Chapter 38 > Heading 3806

Explanatory notes

… following processes : (1)         Separation of volatile terpenic products (spirits of turpentine and similar … obtained in the form of an exudate from pine or other coniferous trees (pine resin, galipot, barras resin, etc.). … of certain soaps, for sizing paper, in the preparation of varnishes, polishes, mastics, inks, sealing‑wax, binders for …

Section XV > Chapter 72 > Heading 7208

Explanatory notes

… during transport and to facilitate handling e.g., paints containing an active anti‑rust pigment for example, red … zinc powder, zinc oxide, zinc chromate, iron oxide (iron minium, jewellers’ rouge), and non‑pigmented coatings with a … (2)   Annealing, hardening, tempering, case‑hardening, nitriding and similar heat treatments to improve the …

Section VI > Chapter 28 > Heading 2820

Explanatory notes

… manganese oxide. Prepared by the action of a slightly nitric solution of potassium permanganate on a manganous … A very powerful oxidising agent. Uses include pyrotechnics, organic synthesis (preparation of hydroxyanthraquinones, … This oxide has the character of an anhydride from which the manganites of heading 28.41 are derived.           This …

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