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Harmonized System
Section VI > Chapter 28 > Heading 2845 > 2845.10
… Heavy water (deuterium oxide) …
Section VI > Chapter 28 > Heading 2825 > 2825.20
… Lithium oxide and hydroxide …
Section VI > Chapter 28 > Heading 2826 > 2826.30
… Sodium hexafluoroaluminate (synthetic cryolite) …
Section VI > Chapter 28 > Heading 2815 > 2815.1
… Sodium hydroxide (caustic soda) …
Section VI > Chapter 28 > Heading 2815 > 2815.20
… Potassium hydroxide (caustic potash) …
Section II > Chapter 12 > Heading 1207 > 1207.60
… Safflower (Carthamus tinctorius) seeds …
Section II > Chapter 12 > Heading 1209 > 1209.2 > 1209.22
… Clover (Trifolium spp.) seeds …
Section V > Chapter 25 > Heading 2511 > 2511.10
… Natural barium sulphate (barytes) …
Section V > Chapter 25 > Heading 2511 > 2511.20
… Natural barium carbonate (witherite) …
Section V > Chapter 25 > Heading 2519 > 2519.10
… Natural magnesium carbonate (magnesite) …