搜索 - 科创

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由于粗肼的制备需要大量物料，而且产量较低，所以在浓缩时应当尽量减少水合肼的逸出，常压敞口蒸发应当减少（况且你不怕肼蒸气的毒性吗）那末，上述数法优劣如何？

【实验目的】探究无钯情况下次磷酸钠作为还原剂制备鲁米诺的可行性【实验步骤】1. 3-硝基邻苯二甲酰肼的制备取25g 3-硝基邻苯二甲酸、18g N2H5HSO4、23g无水醋酸钠于500ml

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