离子交换法生产APT中阳离子杂质的控制 - 中南大学学报（自然科学版、英文版） 关键字: 离子交换法; 钨; 控制; 阳离子杂质[gap=795]Key words: ion-exchange process; tungsten; control; canon impurities
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对常见阴、阳离子进行分组、分类检定，并用红外光谱法和差热分析法进行验证，最终确定仿真水晶样品的主要成分为含有部分硅酸盐杂质的铵明矾。
The common ions and anions were grouped and identified one by one. From the result, it was determined that the crystal was mainly made of tschermigite containing impurity silicate.
用阴阳离子交换柱去除杂质，同时起到一定的脱色作用，进而运用超滤进行澄清。
The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.
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