2846

Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.

28461000

Cerium compounds

28469000

Other

2847

Hydrogen peroxide, whether or not solidified with urea.

28470010

In liquid form

28470090

Other

28480000

Phosphides, whether or not chemically defined, excluding ferrophosphorus.

2849

Carbides, whether or not chemically defined.

28491000

Of calcium

28492000

Of silicon

28499000

Other

28500000

Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.