2852

Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams.

285210

Chemically defined:

28521010

Mercury sulphates

28521020

Mercury compounds of a kind used as luminophores

28521090

Other

285290

Other:

28529010

Mercury tannates, not chemically defined

28529090

Other

28530000

Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals.

2901

Acyclic hydrocarbons.

29011000

Saturated

29012100

Unsaturated:Ethylene