基于区域熔炼提纯原理,利用自制的区域熔炼炉区域熔炼16道次提纯Te。结果表明,在高纯氮气气氛保护下,感应线圈输出功率分别为13.0、12.5、11.5kW,控制熔区移动速度为1.5~2.0mm/min,熔区宽度为25~50mm时,杂质总含量可从1.41×10-2%降低至2.8×10-4%,11种杂质元素的含量显著降低,降低幅度为1~3个数量级,产品Te的纯度由约4N提纯至约6N。 Based on the principle of zone smelting and purification, the 16-pass purified Te was melted by the self-made zone smelting furnace. The results show that under the protection of high purity nitrogen atmosphere, the output power of the induction coil is 13.0, 12.5 and 11.5kW respectively, the control of the moving speed of the melt zone is 1.5 ~ 2.0mm / min, the width of the melt zone is 25 ~ 50mm, the total content of impurities From 1.41 × 10-2% to 2.8 × 10-4%, the content of eleven kinds of impurity elements decreased significantly, the reduction range was 1-3 orders of magnitude, and the purity of product Te was purified from about 4N to about 6N.