Harmonized System

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Section VI > Chapter 29 > Heading 2939

Explanatory notes

… salts thereof : 2939 .11 - -  Concentrates of poppy straw; buprenorphine (INN), codeine, dihydrocodeine (INN), … ergot and their derivatives; salts thereof : 2939.61 - - Ergometrine (INN) and its salts 2939.62 - - Ergotamine (INN) … ergotaman-3’,6’,18-trione). Used as a vasoconstrictor and as a precursor in the …

Section XIV > Chapter 71 > Heading 7110

Explanatory notes

… except aqua regia. It can be fabricated into bars, sheets, strip, tubes, wire and other semi-manufactured forms by … platinum and its alloys have many important applications in industry surpassing their use in jewellery or in dentistry, for example, in the electrical industry for the …

Section VI > Chapter 29 > Heading 2941

Explanatory notes

… Penicillins and their derivatives with a penicillanic acid structure; salts thereof 2941.20 - Streptomycins and their derivatives; salts thereof 2941.30 - … constituents of the erythromycin skeleton : 13-ethyl-13-tridecanolide with linked desosamine and mycarose (or …

Section XVI > Chapter 84 > Heading 8428

Explanatory notes

… walkways 8428.60 ‑ Teleferics, chair‑lifts, ski‑draglines; traction mechanisms for funiculars 8428.70 ‑ Industrial … for incorporation in other machines or for mounting on transport vehicles or vessels of Section XVII. * *    * The … Lifting gins consist of a winch mounted on a two‑legged or tripod support. (2) Well drilling derricks for hoisting the …

Section VI > Chapter 30 > Heading 3006

Explanatory notes

… - - Placebos and blinded (or double-blinded) clinical trial kits for a recognised clinical trial, put up in … in appearance, and are for use in recognized clinical trials.  A placebo is generally a pharmaceutically inert … item or packaging which is necessary solely for the safe transport or storage of the goods, for example, temperature …

Section VI > Chapter 29 > Heading 2931

Explanatory notes

… . 2931.10 - Tetramethyl lead and tetraethyl lead 2931.20 - Tributyltin compounds             - Non-halogenated … acid and (aminoiminomethyl)urea (1 : 1) 2931.46 ‑ ‑ 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide 2931.47 ‑ ‑ …

Section XVIII > Chapter 90 > Heading 9012

Explanatory notes

… ‑ Parts and accessories This heading includes : (A)  Electron microscopes differ from optical microscopes in that they use a beam of electrons instead of light rays.        The normal type of … is obtained by measuring, for example, the electrons transmitted, the secondary electrons emitted, or the optical …

Section XI > Chapter 52 > Heading 5206

Explanatory notes

… ‑ ‑ Measuring 714.29 decitex or more (not exceeding 14 metric number) 5206.12 ‑ ‑ Measuring less than 714.29 … decitex but not less than 232.56 decitex (exceeding 14 metric number but not exceeding 43 metric number) 5206.13 ‑ ‑ Measuring less than 232.56 …

Section VI > Chapter 29 > Heading 2921

Explanatory notes

… salts thereof : 2921.11 - - Methylamine, di- or trimethylamine and their salts 2921.12 - - 2 … chemistry. (6)   Polyamines . Derived from di- and triphenylmethane and their homologues; their derivatives …

Section VI > Chapter 28 > Heading 2811

Explanatory notes

… fluoride (fluorite) or on cryolite. It is purified by treatment with potassium carbonate or by distillation (it … only in aqueous solution : dithionic acid (H 2 S 2 O 6 ); trithionic acid (H 2 S 3 O 6 ); tetrathionic acid (H 2 S 4 O … 2 ). Obtained by dissolving urea in sulphuric acid, sulphur trioxide or oleum; crystalline, slightly soluble in water …