Harmonized System

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Section VI

PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES

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Chapter 28

Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

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Heading 2804

Hydrogen, rare gases and other non-metals.

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2804.10

- Hydrogen

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2804.2

- Rare gases  :

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2804.21

-- Argon

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2804.29

-- Other

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2804.30

- Nitrogen

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2804.40

- Oxygen

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2804.50

- Boron; tellurium

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2804.6

- Silicon  :

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2804.61

-- Containing by weight not less than 99.99 % of silicon

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2804.69

-- Other

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2804.70

- Phosphorus

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2804.80

- Arsenic

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2804.90

- Selenium

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