Code 2830 90

OTHER SULPHIDES; POLYSULPHIDES

SECTION VI. Products of the chemical or allied industries

28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES

V. SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS

2830 Sulphides; polysulphides, whether or not chemically defined:

2830 90 other:

2830 90 110 0 calcium, antimony or iron sulphides

2830 90 850 0 other