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Harmonized System
Section VI > Chapter 28 > Heading 2827
Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides.
Section VI > Chapter 28 > Heading 2825
Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides.
Section VI > Chapter 28 > Heading 2833
Sulphates; alums; peroxosulphates (persulphates).
Section VI > Chapter 28 > Heading 2830
Sulphides; polysulphides, whether or not chemically defined.
Section VI > Chapter 28 > Heading 2832
Sulphites; thiosulphates.
Section VI > Chapter 28 > Heading 2821
Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3.
Section VI > Chapter 28 > Heading 2822
Cobalt oxides and hydroxides; commercial cobalt oxides.
Section VI > Chapter 28 > Heading 2823
Titanium oxides.
Section XVIII > Chapter 90 > Heading 9005
Binoculars, monoculars, other optical telescopes, and mountings therefor; other astronomical instruments and mountings therefor, but not including instruments for radio-astronomy.
Section XVIII > Chapter 90 > Heading 9010
Apparatus and equipment for photographic (including cinematographic) laboratories, not specified or included elsewhere in this Chapter; negatoscopes; projection screens.