礦石類別�鋯礦 �(guī) 格: � 位: � 源: � 價:
質量標準
4N / 3N / AR 項目 高純4N� 稀土純度: ≥99.99% 稀土雜質: ≤100ppm La2O3 �10ppm; CeO2 �10ppm; Pr6O11 �20ppm; Sm2O3 �10ppm; Eu2O3 �10ppm; Gd2O3 �5ppm; Tb4O7 �2ppm; Dy2O3 �2ppm; Ho2O3 �2ppm; Er2O3 �2ppm; Tm2O3 �2ppm; Yb2O3 �2ppm; Lu2O3 �2ppm; Y2O3 �5ppm
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