CN2833

28 Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements or of Isotopes

2833 (01/1988-..) Sulphates, Alums, Peroxosulphates ‘persulphates’

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28331100 (01/1988-..) Disodium Sulphate

28331900 (01/1988-..) Sodium Sulphates (Excl. Disodium)

28332100 (01/1988-..) Sulphate of Magnesium

28332200 (01/1988-..) Sulphate of Aluminium

28332300 (01/1988-12/2006) Sulphates of Chromium

28332400 (01/1988-..) Sulphates of Nickel

28332500 (01/1988-..) Sulphates of Copper

28332600 (01/1988-12/2006) Sulphate of Zinc

28332700 (01/1988-..) Sulphate of Barium

28332910 (01/1988-12/2006) Sulphate of Cadmium

28332920 (01/2007-..) Sulphates of Cadmium, of Chromium and of Zinc

28332930 (01/1988-..) Sulphates of Cobalt and of Titanium

28332950 (01/1988-12/2008) Sulphates of Iron

28332960 (01/2007-..) Sulphates of Lead

28332970 (01/1988-12/2006) Sulphates of Mercury and of Lead

28332980 (01/2009-..) Sulphates (Excl. of Sodium, Magnesium, Aluminium, Nickel, Copper, Barium, Cadmium, Chromium, Zinc, Cobalt, Titanium, Lead and Mercury)

28332990 (01/1988-12/2008) Sulphates (Excl. of Sodium, Magnesium, Aluminium, Chromium, Nickel, Copper, Zinc, Barium, Cadmium, Cobalt, Titanium, Iron, Mercury and Lead)

28333000 (01/1999-..) Alums

28333010 (01/1988-12/1998) Aluminium Ammonium Bis’sulphate’

28333090 (01/1988-12/1998) Alums (Excl. Aluminium Ammonium Bis’sulphate’)

28334000 (01/1988-..) Peroxosulphates ‘persulphates’