Harmonized System

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Section XI > Chapter 58 > Heading 5804

Explanatory notes

… wefts form an open mesh with the warp; the meshes may be in regular hexagonal form, square, or diamond‑shaped (Neuville … whether or not the ground is subsequently wholly or partly removed. Such products are classified as embroidery in … by knitting by hand or machine ( Chapter 60 ); these can be recognised usually by the characteristic knitting stitch, …

Section II > Chapter 13 > Heading 1302

Explanatory notes

… . These saps and extracts differ from the essential oils, resinoids and extracted oleoresins of heading 33.01, in … by water or alcohol extraction, whether or not put up for retail sale.     Mixtures of ginseng extract with other …

Section XVIII > Chapter 90 > Heading 9030

Explanatory notes

… and apparatus, for measuring or checking voltage, current, resistance or power (other than those for measuring or … wafers or devices) : 9030.31 ‑ ‑ Multimeters without a recording device 9030.32 ‑ ‑ Multimeters with a recording … These instruments and apparatus are used in scientific research, for industrial purposes (metallurgy, petroleum …

Section VI > Chapter 28 > Heading 2841

Explanatory notes

… constitute anhydrides). The main groups of compounds covered by this heading are : (1)   Aluminates . Derivatives of … melted, used as a white pigment and for manufacturing refractory bricks and linings. The heading excludes natural … (b) Lead chromate .       Neutral artificial lead chromate results from the action of lead acetate on sodium …

Section XVI > Chapter 85 > Heading 8542

Explanatory notes

… passive and active element or component density, which are regarded as single units (see Explanatory Note to … (a) to Chapter 85) or a single passive electrical function (resistors, capacitors, inductances, etc.). Discrete … etc. (ii)  Unmounted, i.e., as chips, usually rectangular, with sides generally measuring a few …

Section VI > Chapter 30 > Heading 3006

Explanatory notes

… Opacifying preparations for X-ray examinations; diagnostic reagents designed to be administered to the patient 3006.40 - Dental cements and other dental fillings; bone reconstruction cements 3006.50 - First-aid boxes and kits … and blinded (or double-blinded) clinical trial kits for a recognised clinical trial, put up in measured doses This …

Section VI > Chapter 29 > Heading 2941

Explanatory notes

… produced by chemical synthesis that have no structural relation to natural antibiotics produced by micro-organisms … micro-organism and then modifying the structure by chemical reaction or by adding sidechain precursors to the growth … penicillins from selected amino-acids); Natural antibiotics reproduced by synthesis (e.g., chloramphenicol); and Certain …

Section VI > Chapter 28 > Heading 2825

Explanatory notes

… lachrymatory liquid which fumes in the air. A powerful reducing agent, used in the manufacture of a priming … synthesis.     Inorganic salts of hydrazine , obtained by reaction with mineral acids, are also classified here. The … decompose violently when heated; this sulphate is used as a reagent in analysis, and in metallurgy (to separate polonium …

Section VI > Chapter 28 > Heading 2811

Explanatory notes

… or from silicon fluorides. It is used for the electrolytic refining of tin and lead, for preparing fluorosilicates, … is presented in aqueous solutions, yellow or occasionally reddish. (2)   Chloric acid (HClO 3 ). This acid exists only … (1)   Hydrogen iodide (HI). A colourless, suffocating gas, readily decomposed. It is presented in corrosive, aqueous …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… etc. Natural sodium sulphates (glauberite, bloedite, reussin, astrakhanite) are excluded ( heading 25.30 ). (b) … Sodium hydrogen sulphate (acid sulphate) (NaHSO 4 ). This residual salt of the manufacture of nitric acid occurs in … of sulphuric acid, in particular for pickling metal, regenerating rubber, in the metallurgy of antimony or …