搜索 - 科创

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设备使用之前用热风枪或电吹风热风除水气球充入氩气并将装置气体置换三次使之氩气保护【注：此处图片丢失具体操作方法详见鄙人上篇文章用双尖针引入溶剂THF将冷阱预冷至-80℃将反应器至于其中搅拌冷却，待体系温度降至-78度以下后向恒压漏斗中加入正丁基锂氩气保护下用长针头吸取吸到指定体积后针头离开液面吹打几次排净针头内的锂试剂将丁基锂注入恒压漏斗中