CN2841

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

2841 (01/1988-..) Salts of Oxometallic or Peroxometallic Acids

---

28411000 (01/1988-12/2006) Aluminates

28412000 (01/1988-12/2006) Chromates of Zinc or of Lead

28413000 (01/1988-..) Sodium Dichromate

28414000 (01/1988-12/2001) Potassium Dichromate

28415000 (01/2007-..) Chromates and Dichromates, Peroxochromates (Excl. Sodium Dichromate and Inorganic or Organic Compounds of Mercury)

28416000 (01/1988-12/1991) Manganites, Manganates and Permanganates

28416010 (01/1992-12/1995) Potassium Permanganate

28416090 (01/1992-12/1995) Manganites, Manganates and Permanganates (Excl. Potassium Permanganate)

28416100 (01/1996-..) Potassium Permanganate

28416900 (01/1996-..) Manganites, Manganates and Permanganates (Excl. Potassium Permanganate)

28417000 (01/1988-..) Molybdates

28418000 (01/1988-..) Tungstates ‘wolframates’

28419010 (01/1988-12/2004) Antimonates

28419030 (01/1988-..) Zincates and Vanadates

28419080 (01/2005-12/2006) Salts of Oxometallic or Peroxometallic Acids (Excl. Aluminates, Chromates, Dichromates, Peroxochromates, Manganites, Manganates, Permanganates, Molybdates, Tungstates ‘wolframamtes’, Zincates and Vanadates)

28419085 (01/2007-..) Salts of Oxometallic or Peroxometallic Acids (Excl. Chromates, Dichromates, Peroxochromates, Manganites, Manganates, Permanganates, Molybdates, Tungstates ‘wolframamtes’, Zincates and Vanadates)

28419090 (01/1988-12/2004) Salts of Oxometallic or Peroxometallic Acids (Excl. Aluminates, Chromates, Dichromates, Peroxochromates, Manganites, Manganates, Permanganates, Molybdates, Tungstates ‘wolframamtes’, Antimonates, Zincates and Vanadates)