The article studied the abnomalities of organic compound qualitative elementary analysis by sodium fusion method and explained the reasons of the abnomalities.
本文对有机化合物元素定性分析方法钠熔法实验的异常现象进行探讨并提出解释。
The sodium stannate from slag containing tin is prepared directly by the process including alkali fusion, leaching, purification, concentration and crystallization.
以含锡渣为原料，采用碱熔—浸出—除杂—浓缩结晶工艺直接制取了锡酸钠产品。
The sodium stannate from slag containing tin is prepared directly by the process including alkali fusion, leaching, purification, concentration and crystallization.
以含锡渣为原料，采用碱熔—浸出—除杂—浓缩结晶工艺直接制取了锡酸钠产品。
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