Harmonized System

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Section VII > Chapter 39 > Heading 3926 > 3926.90

Classification opinions

… decorated and may remain in place for approximately 7 to 10 days before being removed. Application of GIRs 1 and 6. …

Section VI > Chapter 29 > Heading 2939

Explanatory notes

… 2939.62 - - Ergotamine (INN) and its salts 2939.63 - - Lysergic acid and its salts 2939.69 - - Other               … alkaloids are complex organic bases; they have a strong physiological action. Some are obtained by synthesis. They … include ergotamine succinate and ergotamine tartrate. (3)   Lysergic acid (9,10-didehydro-6-methylergoline-8-carboxylic …

Section XIV > Chapter 71 > Heading 7110

Explanatory notes

… and 71.08 for gold, this heading covers platinum and its alloys as defined in the General Explanatory Note. * *    * … stirrers, etc.; in the chemical and petroleum industries as catalysts (e.g., in the ammonia-oxidation process for the …

Section VI > Chapter 28 > Heading 2827

Explanatory notes

… of hydrogen chloride with ammonia. It may be in crystalline masses or in powder, flowers or cakes obtained … masses or in flakes, or may be hydrated with 6 H 2 O (crystalline or granulated). It is used in refrigerating … dressing for roads or for hard‑earth floorings, as a catalyst, as a dehydrating or condensation agent in organic …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… or hydrated state as a powder or in large transparent crystals, efflorescing in the air and dissolving in water … or by the action of sulphuric acid on dolomite. Colourless crystals, slightly efflorescing in air, soluble in water. …

Section VI > Chapter 28 > Heading 2842

Explanatory notes

… are : (a)   Ammonium thiocyanate (NH 4 SCN). Colourless crystals, deliquescent, very soluble in water, turning red … (d)   Calcium thiocyanate (Ca(SCN) 2 .3H 2 O). Colourless crystals, deliquescent and soluble in water. Used as a … from arsenious oxide and sodium nitrate. Colourless crystals or greenish powder. Used in the preparation of …

Section VI > Chapter 28 > Heading 2852

Explanatory notes

… important oxide of mercury. It can exist as a bright-red crystalline powder ( red oxide ) or as a denser … the preparation of marine paints or mercury salts, and as catalysts. (2) Mercury chlorides . (a) Mercurous chloride … 2 ). Can exist as amorphous masses, as a powder or in white crystals; insoluble in water. Mercurous chloride is used …

Section VI > Chapter 28 > Heading 2825

Explanatory notes

… here. The most important is hydrazine sulphate , colourless crystals which are slightly soluble in cold water and … when heated; this sulphate is used as a reagent in analysis, and in metallurgy (to separate polonium from …      Hydroxylamine (NH 2 OH) is a basic product obtained by hydrolysis of nitromethane; colourless, deliquescent …

Section VI > Chapter 28 > Heading 2841

Explanatory notes

… by dissolving bauxite in potassium hydroxide. White, micro‑crystalline masses, hygroscopic and soluble in water. Same … . Obtained by dissolving tungstic acid in ammonia; white crystalline powder, hydrated, soluble in water; used for … vanadate (metavanadate) (NH 4 VO 3 ). Yellowish‑white crystalline powder, sparingly soluble in cold water, very …

Section VI > Chapter 29 > Heading 2936

Explanatory notes

… of the animal and vegetable organism. They have mainly a physiological action and are used in medicine or industry …