过量水合肼在放大生产时用什么方法破坏? 能回收最好，不能的话加入次氯酸钠溶液破坏。生成氮气和盐酸 small quantities. wear butyl rubber gloves,10 laboratory coat, and eye protection. work in the fume hood. prepare a dilute (5%) aqueous solution of hydrazine by adding slowly to the appropriate volume of water. for each 1 g of hydrazine, place 120 ml (about 25% excess) of household laundry bleach (containing 5.25% sodium hypochlorite) into a three-necked, round-bottom flask equipped with a stirrer, thermometer, and dropping funnel. add the aqueous hydrazine dropwise to the stirred hypochlorite solution at such a rate that the temperature is maintained at 45–50°c. the addition takes about 1 hour. stirring is continued overnight (at least 12 hours). wash the reaction mixture into the drain.查看更多
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