Harmonized System
Section VI > Chapter 28 > Heading 2835 > 2835.3 > 2835.31
Sodium triphosphate (sodium tripolyphosphate)
Section VI > Chapter 28 > Heading 2836
Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate.
Section VI > Chapter 28 > Heading 2836 > 2836.20
Disodium carbonate
Section VI > Chapter 28 > Heading 2836 > 2836.30
Sodium hydrogencarbonate (sodium bicarbonate)
Section VI > Chapter 28 > Heading 2836 > 2836.40
Potassium carbonates
Section VI > Chapter 28 > Heading 2836 > 2836.50
Calcium carbonate
Section VI > Chapter 28 > Heading 2836 > 2836.60
Barium carbonate
Section VI > Chapter 28 > Heading 2836 > 2836.9 > 2836.91
Lithium carbonates