… carbonate ( heading 28.36 ). Sodium hydroxide is obtained, for example, by causticising sodium carbonate with milk of … aqueous solution produces solid sodium hydroxide in the form of flakes or lumps. The pure product is presented in … about 2.8. It is decomposed by water, generating heat and forming hydrogen peroxide. It is also presented in the form …
… normal type of electron microscope is an assembly of the following devices usually enclosed in a common frame as a unit : (1) A device (known as an electron gun) for emitting and accelerating the electrons. (2) A system … protons which have a wavelength 40 times shorter than the former. A correspondingly higher separating power is thus …
… shafts driven directly by the motor. (2) Counter shafts , for coupling to the main shaft by belts and pulleys or by … part. It also excludes : (a) Bars of iron or steel of uniform cross‑section ( heading 72.14 or 72.15 ). (b) Simple … The heading also excludes : (a) Pieces roughly shaped by forging, of heading 72.07 . (b) Transmission equipment of …
… (1) Diazonium salts . These are products of general formula RN 2 + X – where R is an organic radical and X – … * Diazo- and azo-compounds are the starting point in the formation of azo dyes. They give substitution derivatives …
… which ignite spontaneously. Used with calcium carbide for naval signals (self‑igniting flares for buoys). (3) Zinc phosphide (Zn 3 P 2 ). Grey, … (E) AMALGAMS, EXCEPT AMALGAMS OF PRECIOUS METALS Mercury forms amalgams with several base metals (alkali metals and …
… simply by sintering, profiles, plates, sheets, strip and foil 8102.96 - - Wire 8102.97 - - Waste and scrap 8102.99 ‑ … to the metal. The metal is obtained either in a compact form suitable for rolling, drawing, etc., or as a powder …
… of this heading may be impregnated (e.g., with oil), or reinforced by backing with paper or cloth provided it does … many cases, however, the addition of the binders required for the agglomeration modifies some of the characteristic …
… 38.01 . This heading covers certain preparations (e.g., for furnace linings) with a basis of such refractory … lining). These products are traded in powder or granular form consisting predominantly of crushed sintered dolomite. … aluminous cements) and refractory aggregates, used for the foundation of furnaces, coke ovens, etc., or for patching …
… accessories thereto. This heading covers parachutes used for the descent of personnel, military supplies or … mountain, the top of a cliff, etc., and which consist of a folding canopy or shroud (wing), cord shroud lines for … conditions and if air currents so permit, paragliders may follow ascending trajectories. The heading also includes …
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