Harmonized System

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Section VII > Chapter 40 > Heading 4001

Section XVIII > Chapter 90 > Heading 9005

Explanatory notes

… of large diameter. They are not equipped with an erecting eyepiece which would cause loss of light.        The heading … electrons from a photoelectric surface placed where the eyepiece would otherwise be. The electrons may be multiplied … It consists of a spectroscope with a slit in place of the eyepiece so that only light of the desired wavelength can …

Section VI > Chapter 28 > Heading 2813

Explanatory notes

… trisulphide (artificial orpiment, false auripigment, yellow sulphide) (As 2 S 3 ). Toxic yellow powder, specific gravity about 2.7; odourless and … whose formula approximates to P 2 S 3 ; it occurs in yellowish grey crystalline masses, decomposed by water. Used …

Section VI > Chapter 28 > Heading 2815

Explanatory notes

… 2815.11 ‑ ‑ Solid 2815.12 ‑ ‑ In aqueous solution (soda lye or liquid soda) 2815.20 ‑ Potassium hydroxide (caustic … resorcinol, alizarin, etc.). The heading excludes residual lyes (soda lyes) obtained as residual products from the … by combustion of sodium, is a very deliquescent white or yellowish powder, specific gravity about 2.8. It is …

Section VI > Chapter 29 > Heading 2915

Explanatory notes

… alkyl or aryl radicals (methyl, ethyl, phenyl, etc.). (F) PEROXYESTERS The general formula of peroxyesters is RC(O)OOR … many organic substances. Commercial acetic acid is slightly yellowish in colour, and has very often a slight …

Section XVI > Chapter 84 > Heading 8419

Explanatory notes

… , surgical or laboratory sterilisers               ‑ Dryers : 8419.33 ‑ ‑ Lyophilisation apparatus, freeze drying units and spray dryers 8419.34 ‑ ‑ Other, for agricultural products 8419.35 …

Section XI > Chapter 54 > Heading 5402

Explanatory notes

… aramids 5402.19 - - Other 5402.20 - High tenacity yarn of polyesters, whether or not textured               ‑ Textured … measuring per single yarn more than 50 tex 5402.33 ‑ ‑ Of polyesters 5402.34 - - Of polypropylene 5402.39 ‑ ‑ Other … - Other, of nylon or other polyamides 5402.46 - - Other, of polyesters, partially oriented 5402.47 - - Other, of …

Section VI > Chapter 29 > Heading 2903

Section VI > Chapter 28 > Heading 2801

Explanatory notes

… 28.44 ). (A) FLUORINE Fluorine is a faintly greenish‑yellow gas with a pungent odour; it is dangerous to inhale … especially sodium chloride. Chlorine is a greenish‑yellow gas, suffocating, corrosive, two and a half times as … irritating to the eyes. It inflames the skin, turning it yellow, and ignites organic substances such as sawdust. It …

Section XVI > Chapter 85 > Heading 8528 > 8528.6 > 8528.62

Classification opinions

… users to connect to a wireless microphone, portable CD player or to the auxiliary output of a stereo system. …