搜索 - 科创

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比加水更好的后处理方式可能是：加过量DCM等有机溶剂，沉淀出无机杂质，过滤，用DCM反复洗涤；得到的DCM等有机溶液可以用减压蒸馏除去有机溶剂（如果是DMF、DMAC等沸点还不算离谱的），或者用酸性盐水或者水反萃取萃出

.硫酸,硝酸等氧化性酸,注意使用安全,如果不小心滴在身上,要使用水清洗,然后用碳酸氢钠液洗涤,不要因为浓度很低而忽视,因为随着水份的蒸发,硫酸的浓度增高,而会使得原来的洗硫酸同样变成浓硫酸. 18.减压蒸馏是一个相当危险的操作

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