… carbonyl group (aldehydic or ketonic) and at least one asymmetric carbon atom bearing a hydroxyl group and a … crystalline powder, very soluble in water. Used in the synthesis of ascorbic acid (vitamin C), and in the … crystalline or amorphous powders, and are used in organic synthesis. (3) Sucrose octa‑acetate . White hygroscopic …
… yellowish in colour. Used as a reducing agent in organic synthesis, in the manufacture of indigo, for bleaching wool … soluble in water, oxidising in the air. Used in organic synthesis. (3) Potassium sulphites . Appear in the same … of textiles or paper, in chrome tanning and in organic synthesis. (3) Calcium thiosulphate (CaS 2 O 3 .H 2 O). …
… or not modified with oils, fatty acids, alcohols, or other synthetic polymers) they are employed as glues and as … an opaque, dark brown to clear, light brown liquid and is synthesised by reaction of aniline and formaldehyde to form … products are often traded as one part of a multi-component system or set. This group also includes mixtures of …
… (A) Electro‑magnetic generators . In one of the systems based on this principle, the generator has a drive shaft connected by a flexible coupling to a synchronous motor which drives it at constant speed. …
… essentially of groups of coding desks, pre‑sorting channel systems, intermediate sorters and final sorters, the whole … used (e.g., normal letters and figures, stenotype symbols, music symbols or Braille characters). Machines for … data processing machines, or to telecommunications systems. Their ability to correct or compose text is greater …
… temperature form part of complete automatic control systems and consist essentially of the following devices : … heading are intended for use in complete automatic control systems which are designed to bring a quantity, electrical …
… - Ultra‑violet or infra‑red ray apparatus - Syringes, needles, catheters, cannulae and the like : 9018.31 - - Syringes, with or without needles 9018.32 - - Tubular metal … and atherectomy devices. (15) Clips (suture, etc.). (16) Syringes (glass, metal, glass and metal, plastics, etc.), of …
… obtained by refining petroleum oils and natural gas or by synthesis (as regards the purity criterion for ethane, see … of organic compounds (e.g., ethylene oxide, ethylbenzene, synthetic ethanol, polyethylene). To fall in … odour. From acetylene a wide range of products can be synthesised (e.g., acetic acid, acetone, isoprene, …
… OH). Obtained by fractional distillation of coal tars or by synthesis. White crystals, with a characteristic odour, … pharmacy. It is also used in the manufacture of explosives, synthetic resins, plastics, plasticisers and dyes. To … reminiscent of phenol. It is toxic and is used in organic synthesis (dyes, etc.). (b) b - Naphthol . Brilliant …
… ‑ Ensembles : 6103.22 ‑ ‑ Of cotton 6103.23 ‑ ‑ Of synthetic fibres 6103.29 ‑ ‑ Of other textile materials … or fine animal hair 6103.32 ‑ ‑ Of cotton 6103.33 ‑ ‑ Of synthetic fibres 6103.39 ‑ ‑ Of other textile materials … or fine animal hair 6103.42 ‑ ‑ Of cotton 6103.43 ‑ ‑ Of synthetic fibres 6103.49 ‑ ‑ Of other textile materials This …
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