Harmonized System
Section VI > Chapter 28 > Heading 2835
Explanatory notes
… mentioned in the introduction to this sub‑Chapter, this heading includes phosphinates (hypophosphites), metal salts of phosphinic (hypophosphorous) acid (H 3 PO 2 ) (heading 28.11). These are soluble in water and decompose on heating with evolution of hydrogen phosphide which ignites spontaneously. Alkali phosphinates …Section XVI > Chapter 84 > Heading 8486
Explanatory notes
… furnaces for zone melting and refining of silicon rods, oxidation furnaces for oxidizing the surface of wafers and diffusion furnaces for doping the wafers with impurities. (2) Crystal growers and …Section XVI > Chapter 85 > Heading 8504
Explanatory notes
… ‑ Ballasts for discharge lamps or tubes ‑ Liquid dielectric transformers : 8504.21 ‑ ‑ Having a power handling capacity not exceeding 650 kVA … products used as electrodes in combination with certain liquids used as electrolytes will only allow current to flow …Section XVI > Chapter 84 > Heading 8470
Explanatory notes
… mechanically or by electro‑magnetic, electronic or fluidic devices. (A) CALCULATING MACHINES AND POCKET-SIZE … MACHINES WITH CALCULATING FUNCTIONS This group comprises a wide range of calculating machines varying from the simplest …Section VI > Chapter 30 > Heading 3004
Explanatory notes
… systems) or in forms or packings for retail sale. 3004.10 - Containing penicillins or derivatives thereof, with a penicillanic acid structure, or streptomycins or their derivatives … analogues 3004.39 - - Other - Other, containing alkaloids or derivatives thereof : 3004.41 - - …Section XVIII > Chapter 90 > Heading 9024
… Machines and appliances for testing the hardness, strength, compressibility, elasticity …