Harmonized System
Section VI > Chapter 28 > Heading 2811
… Other inorganic acids and other inorganic oxygen compounds of non-metals. …
Explanatory notes
… 28.11 ‑ Other inorganic acids and other inorganic oxygen compounds of non-metals. ‑ Other inorganic acids : 2811.11 ‑ ‑ Hydrogen fluoride (hydrofluoric acid) 2811.12 ‑ ‑ Hydrogen …Section VI > Chapter 29 > Heading 2936
Explanatory notes
… of complex chemical composition, which are obtained from outside sources and are essential for the proper functioning … obtained in final or nearly final form (provitamins) from outside sources. They are effective in relatively minute amounts and may be regarded as exogenous biocatalysts, their absence or deficiency giving …Section II > Chapter 8 > Heading 0812
Explanatory notes
… transport or storage prior to use (for example, by sulphur dioxide gas, in brine, in sulphur water or in other preservative solutions), provided they remain unsuitable for immediate consumption in … presented in this state are cherries, strawberries, oranges, citrons, apricots and greengages. They are usually …Section VI > Chapter 28 > Heading 2847
… Hydrogen peroxide, whether or not solidified with urea. …
Explanatory notes
… 28.47 ‑ Hydrogen peroxide, whether or not solidified with urea. … Hydrogen peroxide (H 2 O 2 ) is obtained by electrolytic oxidation of sulphuric acid followed by distillation, or by …Section VI > Chapter 29 > Heading 2935
Explanatory notes
… sulphonamides 2935.90 - Other Sulphonamides have the general formula (R 1 SO 2 NR 2 R 3 ) where R 1 is an organic …Section VI > Chapter 28 > Heading 2822
… Cobalt oxides and hydroxides; commercial cobalt oxides. …