… be launched. The acceleration required for the take‑off is provided by the action of compressed air, steam, exploding cartridges, etc., exerted on a trolley or ram on which the … excludes : (a) Motor driven winch gear used for launching gliders ( heading 84.25 ). (b) Rocket‑launching ramps and …
… 28.41 ‑ Salts of oxometallic or peroxometallic acids. 2841.30 ‑ Sodium dichromate 2841.50 ‑ Other chromates … and peroxometallic acids (corresponding to metal oxides which constitute anhydrides). The main groups of compounds covered by this …
… Glycosides, natural or reproduced by synthesis, and their …
Explanatory notes
… Sub-Chapter XII GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR … salts, ethers, esters and other derivatives . 2938 .10 - Rutoside (rutin) and its derivatives 2938 .90 - Other …
… Nucleic acids and their salts, whether or not chemically defined; …
Explanatory notes
… 29.34 - Nucleic acids and their salts, whether or not chemically defined; … 2934.99 - - Other This heading includes nucleic acids and their salts . These are complex compounds which, … They are combinations of phosphoric acids with sugar and pyrimidine or purine compounds. Generally in the form of …
… Sulphides of non-metals; commercial phosphorus trisulphide. …
Explanatory notes
… 28.13 ‑ Sulphides of non-metals; commercial phosphorus trisulphide. 2813.10 ‑ Carbon disulphide 2813.90 ‑ Other The most important of these … either from natural sulphides, or from arsenic or arsenous oxide by treatment with sulphur or hydrogen sulphide. (a) …
… nitroso groups - Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : 2904.31 ‑ - Perfluorooctane sulphonic acid … sulpho group (-SO 3 H); they are generally called sulphonic acids. The heading also includes salts and ethyl esters of …
… elements such as manganese, silicon and phosphorus are oxidised and eliminated in the form of gas or molten slag. The oxidation increases the temperature of the metal further. …
… common compounds of mercury are listed below : (1) Mercury oxides . Mercuric oxide (HgO) is the most important oxide of … paints or mercury salts, and as catalysts. (2) Mercury chlorides . (a) Mercurous chloride (calomel) (Hg 2 Cl 2 ). …