摘要:将纯铌及纯铌制品样品完全转化成氧化物,按一定比例与载体混合,直流电弧阳极激发,中阶梯光栅和棱镜色散系统进行分光。选择光谱特征谱线由L-PAD检测器进行信号接收,由计算机进行信号转换和数据处理。用直流电弧原子发射光谱法测定铌中铪元素。方法线性范围为10—200μg/g,方法简单,精密度和准确度较好。
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