… power engines and motors : 8412.21 - - Linear acting (cylinders) 8412.29 - - Other - Pneumatic power … (ii) Solid propellant engines. These engines consist of a cylindrical pressure chamber and a jet-pipe. The combustion …
… peroxides, peroxyacids and their derivatives : 2918.21 - - Salicylic acid and its salts 2918.22 - - O -Acetylsalicylic … THEIR ESTERS, SALTS AND OTHER DERIVATIVES Phenol-acids , cyclic (aromatic) acids which contain both the acid group …
… used in medicine, photography and optics. Silver cyanide (AgCN), a white powder darkening on exposure to … electrolytic gilding and in medicine. Reacts with alkali cyanides to give cyanoaurates, such as potassium tetracyanoaurate (KAu(CN) 4 …
