Harmonized System
Section VI > Chapter 28 > Heading 2843
Explanatory notes
… METALS, WHETHER OR NOT CHEMICALLY DEFINED These are : (I) Oxides, peroxides and hydroxides of precious metals , … 2 O) is a brownish‑black powder slightly soluble in water, turning black on exposure to light. Silver oxide (AgO) …Section VI > Chapter 30 > Heading 3004
Explanatory notes
… penicillins or derivatives thereof, with a penicillanic acid structure, or streptomycins or their derivatives … - Containing corticosteroid hormones, their derivatives or structural analogues 3004.39 - - Other - Other, …Section VI > Chapter 28 > Heading 2836
Explanatory notes
… these result from the action of carbon dioxide on metal peroxides. (A) CARBONATES (1) Ammonium carbonates . Obtained by heating a mixture of chalk and ammonium sulphate (or chloride), or by …Section VI > Chapter 29 > Heading 2939
… Alkaloids, natural or reproduced by synthesis, and their …
Explanatory notes
… 29.39 - Alkaloids, natural or reproduced by synthesis, and their … ethers, esters and other derivatives . - Alkaloids of opium and their derivatives; salts thereof : …Section XVI > Chapter 84 > Heading 8401
… Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation. …