Basic chemicals

Liquefied or compressed inorganic industrial or medical gases
2711
Petroleum gas and other gaseous hydrocarbons
Dyes and pigments from any source in basic form or as concentrate
3204
Synthetic organic colouring matter, whether or not chemically defined; preparations based on synthetic organic colouring matter of a kind used to dye fabrics or produce colorant preparations; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined (excl. preparations of heading 3207, 3208, 3209, 3210, 3213 and 3215)
Chemical elements
3818
Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics.
Inorganic acids except nitric acid
28
INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
Alkalis, lyes and other inorganic bases except ammonia
28
INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
Other inorganic compounds
28
INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
Basic organic chemicals
29
ORGANIC CHEMICALS
Distilled water
2853
Phosphides, whether or not chemically defined (excl. ferrophosphorus); inorganic compounds, incl. distilled or conductivity water and water of similar purity, n.e.s.; liquid air, whether or not rare gases have been removed; compressed air; amalgams (excl. amalgams of precious metals)
Synthetic aromatic products
3301
Essential oils, whether or not terpeneless, incl. concretes and absolutes; resinoids; extracted oleoresins; concentrates of essential oils in fats, fixed oils, waxes or the like, obtained by enfleurage or maceration; terpenic by-products of the deterpenation of essential oils; aqueous distillates and aqueous solutions of essential oils
Roasting of iron pyrites
260120
Roasted iron pyrites
Products of a kind used as fluorescent brightening agents or as luminophores
3203
Colouring matter of vegetable or animal origin (including dyeing extracts but excluding animal black), whether or not chemically defined; preparations as specified in Note 3 to this Chapter based on colouring matter of vegetable or animal origin.
Enrichment of uranium and thorium ores and production of fuel elements for nuclear reactors
2612
Uranium or thorium ores and concentrates