洗滤液
After gotten rid of the salts, saturate KOH solution was added in filtrate at 20 ℃ in 15 min, potassium ferrate(ⅵ) was separated out and purified by process of recrystallization, washing organic contaminants and drying.
除盐后,滤液中加饱和KOH溶液,20℃下反应15min,即可析出粗产品高铁酸钾;经重结晶、有机物洗涤、干燥等后处理工序纯化后得到高纯度高铁酸钾。
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