Harmonized System
Section VI > Chapter 28 > Heading 2831
Dithionites et sulfoxylates.
Section VI > Chapter 28 > Heading 2832
Sulfites; thiosulfates.
Section VI > Chapter 28 > Heading 2832 > 2832.10
Sulfites de sodium
Section VI > Chapter 28 > Heading 2832 > 2832.20
Autres sulfites
Section VI > Chapter 28 > Heading 2832 > 2832.30
Thiosulfates
Section VI > Chapter 28 > Heading 2833
Sulfates; aluns; peroxosulfates (persulfates).
Section VI > Chapter 28 > Heading 2833 > 2833.1
Sulfates de sodium
Section VI > Chapter 28 > Heading 2833 > 2833.2
Autres sulfates