Harmonized System

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Section VI > Chapter 28 > Heading 2826

Explanatory notes

… are electrolytes giving a metal (or a metal ion) at the cathode. In neutral salts all the hydrogen atoms are … excludes , inter alia : (a) Salts of Chapter 25 (e.g., sodium chloride). (b) Salts constituting ores or other … (potassium fluorosilicate) (K 2 SiF 6 ). White, odourless, crystalline powder, slightly soluble in water, …

Section XIII > Chapter 70 > Heading 7019

Explanatory notes

… less weight); they do not stretch or shrink, offering a good dimensional stability; they are non-hygroscopic; they … matrices . Glass wool (random oriented fibres) are glass products in which the filaments are randomly oriented, …

Section VII > Chapter 40 > Heading 4001

Explanatory notes

… in the proportion of 5 to 7 grams per litre of latex, which produces a product known as “full ammonia” or FA type. A second stabilising method which produces “low ammonia” or LA type is to add a …

Section XV > Chapter 75 > Heading 7508

Explanatory notes

… netting, of nickel wire 7508.90 - Other (A) ELECTROPLATING ANODES INCLUDING THOSE PRODUCED BY ELECTROLYSIS This group covers refined nickel …

Section XVI > Chapter 85 > Heading 8506

Explanatory notes

… alkaline or a non‑alkaline electrolyte (e.g., potassium or sodium hydroxide, ammonium chloride or a mixture of lithium … ammonium chloride, zinc chloride and water) in which two electrodes are immersed.  The anode is generally of zinc, magnesium or of lithium and the …

Section VI > Chapter 34 > Heading 3402

Explanatory notes

… is why they are usually known as “surfactants”. However, products which are not capable of reducing the surface … Anionic , in which case they ionise in aqueous solution to produce negatively charged organic ions responsible for the … other surfaces. They may also contain small quantities of odoriferous substances. (C)   Cleaning or de-greasing …

Section XVI > Chapter 85 > Heading 8514

Explanatory notes

… Resistance heated furnaces and ovens in which the heat is produced by the passage of a current through heating … material itself; the electrical resistance of the material produces the necessary heat. (C)  Liquid resistance furnaces …

Section VI > Chapter 29 > Heading 2912

Explanatory notes

… are generally colourless liquids with a strong, penetrating odour; many aromatic aldehydes readily oxidise on contact … in organic synthesis (dyestuffs, explosives, pharmaceutical products, synthetic tanning agents, plastics, etc.), as an antiseptic, deodorant and reducing agent. (2) Ethanal (acetaldehy de) …

Section VI > Chapter 28 > Heading 2830

Explanatory notes

… polysulphides, whether or not chemically defined. 2830.10 ‑ Sodium sulphides 2830.90 ‑ Other Subject to the exclusions mentioned in the introduction of this sub‑Chapter, this heading covers metal …

Section VI > Chapter 29 > Heading 2902

Explanatory notes

… (C 12 H 16 ) from which the pesticide HEOD is derived. (c)  Compounds with a “ cage ” structure … 2 or more. They occur naturally in the vegetable kingdom as odoriferous, volatile liquids, for example : (1)   Pinene , … liquid, volatile and inflammable, with an aromatic odour. It readily dissolves resins, fats, essential oils, …