边锋游戏

旋转蒸发仪的基本结构和设计

旋转蒸发仪

旋转蒸发仪旋转蒸发仪是用于蒸馏溶剂的仪器。(即使rotovap是一个**名称,每个人都称其为“ rotovap”)。蒸馏的目的是通过蒸发和冷凝(液-气-液)过程,根据给定的混合物各自的挥发性将给定的混合物分离为其组分。

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抽水机不适用于低温蒸馏;它们的流速也很低。我曾尝试在大银行等地方将它们与冰水一起使用。我不喜欢它们。制冷真空泵工作良好且价格便宜,但难以控制,嘈杂且油雾弥漫。他们需要油来运转,并且没有过滤器,例如真空封口机中的泵。如果决定使用一个,在出口上留一块抹布,以接住油。同样,切勿在真空状态下关闭泵,否则有将机油吸回系统的风险。**先对系统排气,然后关闭泵。要控制制冷泵,需要在泵和旋转蒸发器之间安装放气针阀。让泵运行并使用阀门调节真空度。同时安装第二个空气/排气阀,**好是按钮。这是您的紧急按钮,可让空气迅速进入系统以停止沸腾。除了噪音,油雾和控制困难之外,油基泵的另一个问题是,每当您使冷凝器饱和时,机油都会受到污染。

GANSHIZHENKONGBENGHEZHENKONGKONGZHIQIBIYOUJIBENGHAODEDUO。TAMENGENGANJING,GENGQINGJIE,GENGYIYUKONGZHIQIEBUHUISHOUDAOWURAN。JUYOULIANGHAOZHENKONGKONGZHINENGLIDEGANSHIBENGSHIYIZHONGLEQU。NINZAIYEBUXIANGHUIDAOZHENFA/YOUBENGCHENGXULE!WENTISHIKONGZHIDANYUANYAOHUAFEISHUQIANMEIYUAN,JINGANBENGJIUXUYAOSHUBAITAI。DADUOSHUKONGZHIQIJUYOU“ZIDONG”ZHENGLIUGONGNENG,KEYIWEIDANGQIANCHANPINZHAODAOZHENGQUEDEZHENKONGDU。WOBUXIHUANZHEIXIE WOCENGJINGSHIYONGGUOJIJIAGONGSIDEKONGZHIQI,FAXIANYOURENLAIKONGZHIZHENGLIUSHUIPINGSHIZHONGKEYITIGONGGENGGAOZHILIANGDECHANPIN。DANSHI,RANGJIQIWEININJINXINGSIKAOSHIYIGEJUDADEJIESHENGSHIJIAN。WORENWEIKEYISHEJICHUJUYOU**DAFENGWEIDEKONGZHIQI。DANSHIHAIMEIYOUWANCHENG。