Harmonized System
Section VI > Chapter 28 > Heading 2825 > 2825.30
… Vanadium oxides and hydroxides …
Classification opinions
… 1. Products with a high content of vanadium pentoxide , commercially known as "fused vanadium oxides", obtained by roasting mechanically concentrated ores … as carnotite with sodium carbonate and sodium chloride, lixiviation of the sodium vanadates thus produced with …Section VI > Chapter 28 > Heading 2816
… Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium. …
Explanatory notes
… 28.16 ‑ Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium. 2816.10 ‑ …Section VI > Chapter 28 > Heading 2827
… Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide …
Explanatory notes
… 28.27 ‑ Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide … varnishes or glues, in electroplating, in photography (fixing solutions), etc. See Explanatory Note to …Section VI > Chapter 28 > Heading 2822
… Cobalt oxides and hydroxides; commercial cobalt oxides. …
Explanatory notes
… 28.22 ‑ Cobalt oxides and hydroxides; commercial cobalt oxides. (A) COBALT …Section VI > Chapter 29 > Heading 2909
… ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides …
Explanatory notes
… Sub-Chapter IV ETHERS, ALCOHOL PEROXIDES, ETHER PEROXIDES, ACETAL AND HEMIACETAL PEROXIDES , KETONE PEROXIDES, EPOXIDES WITH A THREE-MEMBERED RING, ACETALS AND …Section VI > Chapter 28 > Heading 2815
… Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium. …
Explanatory notes
… 28.15 ‑ Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium. ‑ Sodium …Section VI > Chapter 28 > Heading 2825
… their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. …
Explanatory notes
… their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. 2825.10 ‑ Hydrazine and hydroxylamine and their …Section VI > Chapter 28 > Heading 2811 > 2811.2 > 2811.22
… Silicon dioxide …
Classification opinions
… 1. Silica fume , composed of ultrafine amorphous silicon dioxide particles (not less than 80 % by weight), formed as … impurities include carbon, silicon, silicon carbide and oxides of alkaline metals. The product typically contains … that binds harmful substances such as allergens, toxins, bacteria and viruses, and removes them from the …Section VI > Chapter 28 > Heading 2817
… Zinc oxide; zinc peroxide. …
Explanatory notes
… 28.17 ‑ Zinc oxide; zinc peroxide. (A) ZINC OXIDE Zinc oxide (zinc white) … zinc (indirect or French process) or by the reduction of oxidic zinc raw materials like zinc ores (roasted blende, …Section VI > Chapter 28 > Heading 2819
… Chromium oxides and hydroxides. …