… of adsorption at an interface; in this state they display a number of physico-chemical properties, particularly surface … sulphates and sulphonates derived from fatty alcohols; petroleum sulphonates, e.g., of alkali metals (including … those containing a proportion of mineral oils), of ammonium or of ethanolamines; alkylpolyethersulphates; …
… whether or not chemically defined. 2845.10 ‑ Heavy water (deuterium oxide) 2845.20 ‑ Boron enriched in boron-10 and its compounds 2845.30 ‑ Lithium enriched in lithium-6 and its compounds 2845.40 ‑ …
… Linear acting (cylinders) 8412.29 - - Other - Pneumatic power engines and motors : 8412.31 - - Linear … of propellants, interconnected by a system of tubes and pumps, and a jet-pipe. The pumps are powered by means of a …
… 8474.32 ‑ ‑ Machines for mixing mineral substances with bitumen 8474.39 ‑ ‑ Other 8474.80 ‑ Other machinery 8474.90 … materials, usually according to the size or weight of the lumps or particles, or for washing the materials free of … machines include : (1) Roller sorters . These consist of a number of parallel rollers revolving in the same direction …
… Roux, etc.), burettes of all kinds, evaporating dishes, volumetric flasks, special bell-jars and receivers (vacuum, necked, etc.), special dropping bottles (calibrated, … heading 90.27 for the rules governing the classification of instruments and apparatus for physical or chemical analysis …
… by metals (or by ions with analogous properties, e.g., the ammonium ion (NH 4 + )) as a result salts are formed. Acids … hydroxides and peroxides, such as acids or anhydrides of chromium, molybdenum, tungsten and vanadium). In certain cases, …
