Harmonized System

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Show last update onlyCorrelation Tables
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Section XV > Chapter 81 > Heading 8112

Explanatory notes

… High temperature electrolysis of a mixture of beryllium oxyfluoride (manufactured from the ore) and barium or other … for cyclotrons; in electrodes for neon signs, etc.; as a de‑oxidising agent in metallurgy. It also serves in the … ores patronite or carnotite, usually by reduction of the oxide, or from residues of iron, radium or uranium …

Section XVII > Chapter 86 > Heading 8608

Section VI > Chapter 38 > Heading 3815

Explanatory notes

… cases, these active substances are certain metals, metallic oxides, other metallic compounds or mixtures thereof. The … radical catalysts” (e.g., organic solutions of organic peroxides or of azo compounds, redox mixtures); (ii) “ionic catalysts” (e.g., …

Section XVII > Chapter 86 > Heading 8607

Explanatory notes

… thereof (wheel centres, metal tyres, etc.). (4)   Axle‑boxes, also known as lubricating or grease‑boxes, and parts thereof (e.g., axle‑box bodies). (5)   …

Section XVI > Chapter 84 > Heading 8439

Section XI > Chapter 54

Section XX > Chapter 96 > Heading 9601

Section XV > Chapter 72 > Heading 7214

Explanatory notes

… pickling, scraping and other processes to remove the oxide scale and crust formed during the heating of metal. … intended solely to protect products from rust or other oxidation, to prevent slipping during transport and to … anti‑rust pigment for example, red lead, zinc powder, zinc oxide, zinc chromate, iron oxide (iron minium, jewellers’ …

Section VI > Chapter 28 > Heading 2829

Explanatory notes

… (tablets); very soluble in water; readily gives off its oxygen. Often contains impurities (e.g., chlorides of the alkali metals). Used as an oxidising agent, in organic synthesis, in textile printing … perchloric acid (HClO 4 ) (heading 28.11). These powerful oxidising agents are used in pyrotechnics and in the …

Section VII > Chapter 40 > Heading 4001

Explanatory notes

… substances such as tetramethylthiuramdisulphide and zinc oxide.        There are also freeze‑resistant natural rubber … adding an excess of precipitated or colloidal sulphur, zinc oxide and accelerators (e.g., dithiocarbamate). The degree … impregnate it with creosotic substances which serve as anti‑oxidants and antiseptics.       For the manufacture of pale …

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