Harmonized System

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Section VI > Chapter 28 > Heading 2818

… corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide. …

Explanatory notes

… corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide. 2818.10 ‑ Artificial corundum, whether or not … The aluminium oxide may contain small proportions of other oxides (e.g., titanium oxide, chromium oxide) either …

Section VI > Chapter 28 > Heading 2821

… Iron oxides and hydroxides; earth colours containing 70 % or more …

Explanatory notes

… 28.21 ‑ Iron oxides and hydroxides; earth colours containing 70 % or more …

Section V > Chapter 25 > Heading 2522

… slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25. …

Explanatory notes

… slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25. 2522.10 ‑ Quicklime 2522.20 ‑ Slaked …

Section V > Chapter 25 > Heading 2519

… whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure. …

Explanatory notes

… whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, … magnesium carbonate, basic magnesium carbonate, magnesium hydroxide precipitated from sea water, etc. The main types …

Section VI > Chapter 32 > Heading 3206 > 3206.1 > 3206.11

… Containing 80 % or more by weight of titanium dioxide calculated on the dry matter …

Classification opinions

… 1. Titanium dioxide of the anatase type, not surface treated , …

Section VI > Chapter 28 > Heading 2820

… Manganese oxides. …

Explanatory notes

… 28.20 ‑ Manganese oxides. 2820.10 ‑ Manganese dioxide 2820.90 ‑ Other (1)   … about 5), insoluble in water.        A very powerful oxidising agent. Uses include pyrotechnics, organic …

Section VI > Chapter 28 > Heading 2823

… Titanium oxides. …

Explanatory notes

… 28.23 ‑ Titanium oxides. The only titanium oxide of commercial interest is titanium dioxide or titanic anhydride (TiO 2 ), which gives the …

Section VI > Chapter 29 > Heading 2909 > 2909.60

… Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, …

Section VI > Chapter 28 > Heading 2810

… Oxides of boron; boric acids. …

Explanatory notes

… 28.10 ‑ Oxides of boron; boric acids. (A) OXIDES OF BORON Diboron trioxide (Boron sesquioxide) (B 2 O 3 ) exists as transparent vitreous …

Section VI > Chapter 28 > Heading 2837

… Cyanides, cyanide oxides and complex cyanides. …

Explanatory notes

… 28.37 ‑ Cyanides, cyanide oxides and complex cyanides.               ‑ Cyanides and cyanide oxides : 2837.11 ‑ ‑ Of sodium 2837.19 ‑ ‑ Other 2837.20 ‑ … soluble in water. Used for destroying insects, fungus and noxious animals. (4)   Nickel cyanide (Ni(CN) 2 ). Hydrated, …

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