Harmonized System

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Section VI > Chapter 28 > Heading 2844

Explanatory notes

… numbers of neutrons and, consequently, will be of different mass (different mass number). Nuclides which differ only in … polonium and all elements of greater atomic number, such as astatine, radon, francium, radium, actinium, thorium, …

Section VI > Chapter 28 > Heading 2836

Explanatory notes

… Sodium hydrogencarbonate (sodium bicarbonate) 2836.40 ‑ Potassium carbonates 2836.50 ‑ Calcium carbonate 2836.60 ‑ … (caustic potash) of heading 28.15 . Obtained from vegetable ashes, residual beetwash and suint but mainly from potassium … blue or green); as insecticides or fungicides; in medicine (astringents and antidotes against phosphorus poisoning); in …

Section I > Chapter 3 > Heading 0304

Explanatory notes

… or frozen.               - Fresh or chilled fillets of tilapias ( Oreochromis spp .), catfish ( Pangasius spp ., Silurus …

Section II > Chapter 14 > Heading 1404

Explanatory notes

… (usually less than 5 mm long). These fibres are known as cotton linters. Linters are too short for spinning; their … manufacture of man‑made fibres (e.g., rayon) and cellulose plastics. They are also sometimes used in the manufacture of … of the seeds of certain varieties of tropical plants (e.g., Asclepias ). (3) The products known as vegetable hair, …

Section VI > Chapter 28 > Heading 2835

Explanatory notes

… 2835.22 ‑ ‑ Of mono‑ or disodium 2835.24 ‑ ‑ Of potassium 2835.25 ‑ ‑ Calcium hydrogenorthophosphate … of lime).        Both these products are used in medicine as tonics or restoratives. (III) Ammonium, iron or lead …

Section XVI > Chapter 84 > Heading 8486

Explanatory notes

… However, this heading excludes machines and apparatus for measuring, checking, inspecting, chemical analysis, etc. ( … physically removed from the surface.  (d) Strippers or ashers , using techniques similar to etching this apparatus … However, it does not cover the manufacture of glass or the assembly of printed circuit boards or other electronic …

Section XVI > Chapter 84 > Heading 8479

Explanatory notes

… 8479. 6 0 - Evaporative air coolers               - Passenger boarding bridges : 8479.71 ‑ ‑ Of a kind used in … painting, handling, loading and unloading, cutting, assembling, metal trimming, etc. They are replacing humans …

Section II > Chapter 12 > Heading 1211

Explanatory notes

… in pharmacy or medicine, or for insecticidal, fungicidal, parasiticidal or similar purposes. They may be in the form of … Origanum majorana ) is excluded ( Chapter 7 ). Woodruff ( Asperula odorata ) : herbs. Wormseed ( Artemisia cina ) : …

Section VI > Chapter 29 > Heading 2915

Explanatory notes

… the ortho-acids (RC(OH) 3 ) since these may be regarded as hydrated carboxylic acids (RCOOH + H 2 O = RC(OH) 3 ). In … 3 H) are quite different from carboxylic acids; they are classified as sulphonated derivatives in various … of a molecule of water, either from two molecules of a monobasic acid, or from one molecule of dibasic acid. They …

Section VI > Chapter 29 > Heading 2939

Explanatory notes

… - Other 2939.80 - Other These alkaloids are complex organic bases; they have a strong physiological action. Some are … The heading also excludes saps and vegetable extracts, such as dried saps of opium ( heading 13.02 ). This heading …