Abstract In this paper, the Prodigy DC Arc spectrometer of Lehman-Lebers Corporation is used to analyze all impurity elements in high-purity niobium oxide and high-purity metal tantalum. The elements analyzed in the high-purity niobium oxide sample are: Al, As, B, Bi, Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Ni, Pb, Sb, Si, Sn, Ta, Ti, V, Zn, Zr; in high purity metal tantalum samples The analyzed elements are: Al, As, B, Bi, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Ni, Pb, Sb, Si, Sn, Ti, V, Zn, Zr, The unit of all measurement results is% by weight.
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