Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate

283620 Carbonates; disodium carbonate 283630 Carbonates; sodium hydrogen carbonate (sodium bicarbonate) 283640 Carbonates; potassium carbonate 283650 Carbonates; calcium carbonate 283660 Carbonates; barium carbonate 283691 Carbonates; lithium carbonate 283692 Carbonates; strontium carbonate 283699 Carbonates; n.e.c. in heading no. 2836 and other than lithium or strontium