CN2826

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

2826 (01/1988-..) Fluorides, Fluorosilicates, Fluoroaluminates and Other Complex Fluorine Salts (Excl. Inorganic or Organic Compounds of Mercury)

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28261100 (01/1988-12/2006) Fluorides of Ammonium or of Sodium

28261200 (01/1988-..) Fluoride of Aluminium

28261900 (01/1988-12/2006) Fluorides (Excl. of Ammonium, Sodium and Aluminium)

28261910 (01/2007-..) Fluorides of Ammonium or of Sodium

28261990 (01/2007-..) Fluorides (Excl. of Ammonium, Sodium, Aluminium and Mercury)

28262000 (01/1988-12/2006) Fluorosilicates of Sodium or of Potassium

28263000 (01/1988-..) Sodium Hexafluoroaluminate ‘synthetic Cryolite’

28269010 (01/1988-..) Dipotassium Hexafluorozirconate

28269080 (01/2007-..) Fluorosilicates, Fluoroaluminates and Other Complex Fluorine Salts (Excl. Sodium Hexafluoroaluminate ‘synthetic Cryolite’, Dipotassium Hexafluorozirconate and Inorganic or Organic Compounds of Mercury)

28269090 (01/1988-12/2006) Fluorosilicates, Fluoroaluminates and Other Complex Fluorine Salts (Excl. Fluorosilicates of Sodium or of Potassium, Sodium Hexafluoroaluminate ‘synthetic Cryolite’ and Dipotassium Hexafluorozirconate)