Harmonized System
Section VI > Chapter 28 > Heading 2819
… Chromium oxides and hydroxides. …
Explanatory notes
… 28.19 ‑ Chromium oxides and hydroxides. 2819.10 ‑ Chromium trioxide 2819.90 ‑ Other (A) CHROMIUM OXIDES (1) Chromium …Section VI > Chapter 28 > Heading 2820
… Manganese oxides. …
Explanatory notes
… 28.20 ‑ Manganese oxides. 2820.10 ‑ Manganese dioxide 2820.90 ‑ Other (1) Manganese dioxide (manganous anhydride) (MnO 2 ). The most important manganese oxide. …Section VI > Chapter 29 > Heading 2910
… Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a …
Explanatory notes
… 29.10 - Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a … or nitrosated derivatives. 2910.10 - Oxirane (ethylene oxide) 2910.20 - Methyloxirane (propylene oxide) 2910.30 - 1-Chloro-2,3-epoxypropane (epichlorohydrin) …Section VI > Chapter 28 > Heading 2802
… Sulphur, sublimed or precipitated; colloidal sulphur. …
Explanatory notes
… 28.02 ‑ Sulphur, sublimed or precipitated; colloidal sulphur. (A) SUBLIMED OR PRECIPITATED SULPHUR The … or of an alkaline or alkaline‑earth polysulphide, with hydrochloric acid. It is more finely divided and paler … sublimed sulphur; its odour is somewhat similar to that of hydrogen sulphide and it deteriorates with age. Its uses are …Section VI > Chapter 28 > Heading 2824
… Lead oxides; red lead and orange lead. …
Explanatory notes
… ‑ Lead oxides; red lead and orange lead. 2824.10 ‑ Lead monoxide (litharge, massicot) 2824.90 ‑ Other (1) Lead … litharge, massicot) (PbO). Lead or cerussite (lead hydrocarbonate) oxidised by heating in air produces first … brilliance arising from a high refractive index. (3) Lead dioxide (puce oxide, plumbic anhydride) (PbO 2 ). Prepared …Section V > Chapter 27 > Heading 2714
Explanatory notes
… countries as “asphaltic sands”). They are brown or black, solid or very viscous mixtures of naturally occurring hydrocarbons with inert mineral matter, which in the case of … This subheading covers sedimentary rock or sand containing hydrocarbons, which can be separated in the form of products …Section VI > Chapter 29 > Heading 2923
… Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether …
Explanatory notes
… 29.23 - Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether … ethyl, tolyl etc.). This cation may be associated with the hydroxide ion (OH – ) to give a quaternary ammonium hydroxide of general formula R 4 N + OH – corresponding to …Section VI > Chapter 29 > Heading 2924
… Carboxyamide-function compounds; amide-function compounds of carbonic acid. …
Explanatory notes
… 29.24 - Carboxyamide-function compounds; amide-function compounds of carbonic acid. - … 3 N) Primary amide Secondary amide Tertiary amide The hydrogen of the (–NH 2 ) or ( NH) groups may be substituted …Section VI > Chapter 29 > Heading 2920
… Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, …
Explanatory notes
… 29.20 - Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, …Section VI > Chapter 28 > Heading 2821
… Iron oxides and hydroxides; earth colours containing 70 % or more by weight …