… (a) Decahydronaphthalene (C 10 H 18 ), a colourless liquid used as a solvent for paints and lacquers, for polishes, … AROMATIC HYDROCARBONS These compounds contain one or more fused or unfused benzene rings, benzene being a hydrocarbon …
… wild birds, etc. Products intended to repel pests or used for disinfecting seeds are also classified here. These … destroy or irreversibly inactivate undesirable bacteria, viruses or other micro‑organisms, generally on inanimate …
… all non‑metals at least in some of their forms, whereas numerous metals are classified elsewhere : ‑ precious metals … matter ‑ in particular wood, fats and textiles. Fluorine is used for the preparation of certain fluorides and organo‑fluorine derivatives. (B) CHLORINE Chlorine is usually obtained by electrolysis of alkali chlorides, …
… also one or more of the oxygen functions referred to in previous sub‑Chapters (alcohol, ether, phenol, aldehyde, … Colourless liquid with an agreeable ether‑like odour. Used in numerous organic syntheses, for the manufacture of …
… sulphate or natural iron oxide. Finely divided powder, usually red but sometimes violet, yellowish or black (violet, yellow or black oxide). Used as a pigment (iron minium, jewellers’ rouge or …
… arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for … the treatment of silver‑bearing ores. (8) Spent catalysts usable only for the extraction of metal or for the … from zinc, lead or copper smelting and rich in mercury usually as oxide, sulphide or as an amalgam with other …
… Lithium helps to improve the qualities of metals, and is used in various alloys (e.g., anti‑friction alloys). Because of its … is obtained by metallothermic reduction of the halides using calcium or lithium as the reductant or by electrolysis …
… in the polymer chain. They are not to be confused with the polyvinyl acetals of heading 39.05 , in which … These products have a variety of uses, PPO being used, like the polyacetals, as engineering …
… foaming, emulsifying, wetting), which is why they are usually known as “surfactants”. However, products which are … of heading 34.01 ). Surface-active preparations are used for their cleansing, wetting, emulsifying or dispersing …
… (1) Chloromethane (methyl chloride). Colourless gas, usually presented liquefied in steel cylinders. Used as a refrigerant, as an anaesthetic and in organic …
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