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氯化分离法在钨钼材料分析中是常用的分离手段,但用在分离WO_3中微量钾时回收率易偏低,有人曾进行过107次试验,回收率均低于50%。我们认为在测定高纯WO_3中痕量钾时,用氯化分离法是比较理想
Chlorination separation method is commonly used as a separation method in the analysis of tungsten and molybdenum materials, but the recovery rate is very low when it is used to separate the trace potassium in WO_3. Some people conducted 107 tests and the recovery rates were below 50%. We believe that the determination of trace amounts of potassium in high purity WO_3, the use of chloride separation method is ideal