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Sistema armonizado
Section VI
PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES
Chapter 28
Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading 2833
Sulphates; alums; peroxosulphates (persulphates).
2833.1
- Sodium sulphates :
2833.11
-- Disodium sulphate
2833.19
-- Other
2833.2
- Other sulphates :
2833.21
-- Of magnesium
2833.22
-- Of aluminium
2833.24
-- Of nickel
2833.25
-- Of copper
2833.27
-- Of barium
2833.29
-- Other
2833.30
- Alums
2833.40