… CYCLOTERPENES These hydrocarbons do not differ in general chemical structure from the cyclene group and have the general … ). Crystallises in colourless needles with a strong odour reminiscent of geraniums; used in organic synthesis. (c) … Phenanthrene falls here only when it is a separate chemically defined compound in the pure or commercially pure …
… excluded (heading 38.24). (e) Antimony potassium tartrate (emetic), sodium potassium tartrate ( sel de Seignette ) and … synthesis, in medicine and precursor in the production of chemical warfare agents. (B) CARBOXYLIC ACIDS WITH PHENOL …
… prepared for that purpose). They generally consist of a stem of wood, cardboard, textile yarn impregnated with … or vestas), and of a head made of various inflammable chemical products. The heading excludes Bengal matches and …
… : (a) Clamps and other devices specially designed for assembling parts of structures ( heading 76.10 ). (b) … to support tubing; aluminium bolts and nuts used for assembling or fixing pipes or tubes ( heading 76.16 ). (c) …
… as heavy spar) and barium carbonate (witherite). Refined or chemically produced barium sulphate and barium carbonate are … witherite, which consists largely of impure barium oxide, remains in this heading. The heading excludes purified …
… lappa ) and parsnips ( Pastinaca sativa ). These products remain in this heading whether or not their tops have been removed. The heading excludes : (a) Celery of heading …
… forms obtained by casting electrolytic aluminium or by remelting metal waste or scrap. These goods are generally … for rolling, forging, drawing, extruding, hammering or for remelting and for casting into shaped articles. The heading …
… manufactured fuels which have been carbonised to render them smokeless. The heading also includes pulverised coal … ), brown coal (lignite) ( heading 27.02 ), nor coke and semi‑coke of coal ( heading 27.04 ). …
… rubber, by softening (“devulcanising”) the rubber and removing some of the unwanted matter by various chemical or mechanical means. The product contains residues …
… from other headings or Chapters of the Nomenclature remain classified in this heading, provided that such minority items do not change their essential character of sets of …
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