Betekenis van:
rare earth

rare earth
Zelfstandig naamwoord
    • any element of the lanthanide series (atomic numbers 57 through 71)

    Synoniemen

    Hyperoniemen

    Hyponiemen


    Voorbeeldzinnen

    1. Compounds of rare earth metals
    2. Rare-earth metals; scandium and yttrium
    3. Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
    4. Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
    5. Compounds of rare-earth metals, of yttrium or of scandium or mixtures of these metals
    6. Alloy of cerium and other rare-earth metals, containing by weight 47 % or more of cerium
    7. Alloy of cerium and other rare-earth metals, containing by weight 47 % or more of cerium
    8. Alloy of lanthanum and other rare-earth metals, containing by weight 43 % or more of lanthanum
    9. Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed:
    10. CPA 20.13.65: Compounds of rare earth metals, of yttrium or of scandium
    11. Lead as impurity in RIG (rare earth iron garnet) Faraday rotators used for fibre optic communications systems.
    12. Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals
    13. Lanthanides (rare earth metals) from B1120: all other waste B1130-B1200 B1210 B1220 B1230 B1240 B1250 B2010; B2020 from B2030:
    14. Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals, other than those of subheading 28461000
    15. Rare-earth concentrate containing by weight 60 % or more but not more than 95 % of rare-earth oxides and not more than 1 % each of zirconium oxide, aluminium oxide or iron oxide, and having a loss on ignition of 5 % or more by weight