Harmonized System

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Section VI > Chapter 37

Explanatory notes

… metals, but certain other materials may be used, e.g., potassium ferricyanide or other iron compounds for blue-prints, potassium or ammonium dichromate for photomechanical engraving, diazonium salts for diazo emulsions, etc. (A) Plates and …

Section V > Chapter 25 > Heading 2523

Explanatory notes

… clinker with the possible addition of a small quantity of calcium sulphate. It is to be noted : ‑    that Portland … is a product of subheading 2523.10 consisting mostly of calcium silicates which is obtained by heating to partial … 2 O 3 ) and iron oxide (Fe 2 O 3 ) and; ‑    that the term “calcium sulphate” covers gypsum and its derivatives and …

Section VI > Chapter 38 > Heading 3810

Explanatory notes

… of the metal. Some, however, have a basis of alkalis (e.g., sodium hydroxide).           The heading does not include … the oxide which forms during the operation. Zinc chloride, ammonium chloride, sodium tetraborate, rosin and lanolin are … preparations.         This group also includes mixtures of aluminium granules or powder with various metallic oxides …

Section VI > Chapter 28 > Heading 2821

Explanatory notes

… (violet, yellow or black oxide). Used as a pigment (iron minium, jewellers’ rouge or colcothar), either in the pure … case it is classified in this heading), or mixed with clay, calcium sulphate (Venetian red), etc. (it then falls in … It also serves for preparing thermite (mixed with aluminium powder), and for purifying coal gas, etc. (B) IRON …

Section VI > Chapter 32 > Heading 3212

Explanatory notes

… These are concentrated dispersions of pigments (including aluminium or other metal powders and flakes) in a non-aqueous medium (e.g., drying oils, white spirit, gum, wood or … pigment (e.g., mica coated with bismuth chloride oxide or titanium dioxide), in a varnish or lacquer (e.g., …

Section IV > Chapter 23 > Heading 2309

Section II > Chapter 8 > Heading 0805

Explanatory notes

… following main classes or groups : -     Satsuma ( Citrus unshiu Marcovitch), which consists of many varieties. -     … acid than that of other citrus fruit. Satsumas ( Citrus unshiu Marcovitch) are an early variety of mandarin. The …

Section VIII > Chapter 43 > Heading 4302

Explanatory notes

… other materials usually in rectangles (including squares), trapeziums or crosses.        “Dropped furskins” are … usually in the form of rectangles (including squares), trapeziums or crosses without the addition of other …

Section VII > Chapter 39 > Heading 3913

Explanatory notes

… mineral acid or by treating the extract to obtain an impure calcium alginate which on treatment with a mineral acid is … purity.        Alginic acid is insoluble in water but its ammonium and alkali metal salts dissolve readily in cold …        These products may contain preservatives (e.g., sodium benzoate) and be standardised by the addition of …

Section XI > Chapter 53 > Heading 5303

Explanatory notes

… which are Corchorus capsularis or white jute and Corchorus olitorius or red jute, also known as Tossa. (2)   Hibiscus … (5)   Broom fibres, from the bast of the Spanish broom ( Spartium junceum ) or common broom ( Cytisus scoparius ). (6)   Urena lobata and Urena sinuata , which …

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