prov:value
| - The getter material can be a metal such as Zr, Ti, Nb, Ta, V; an alloy of these metals or among one or more of these elements and additional element(s), preferably chosen from Cr, Mn, Fe, Co, Ni, Al, Y, La and rare-earths, like binary alloys Ti???V, Zr???V, Zr???Fe and Zr???Ni, ternary alloys like Zr???Mn???Fe or Zr???V???Fe, or alloys with more components.
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