Heading 2836:  Carbonates;peroxocarbonates(percarbonates);commercial ammonium carbonate containing ammonium carbamate;

PRODUCTS OF THE CHEMICAL OF ALLIED INDUSTRIES

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

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