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液相色譜儀操作使用規程-上海91福利在线观看分析儀器有限公司

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液相色譜儀操作使用規程

更新時間:2021-11-17點擊次數:4097
  1、過濾流動相,根據需要選擇不同的液相色譜儀濾膜。
 
  2、對抽濾後的流動相進行超聲脫氣10-20分鍾。
 
  3、打開工作站(包括計算機軟件和液相色譜儀),連接好流動相管道,連接檢測係統。
 
  4、進入控製界麵主菜單,點擊manual,進入手動菜單。
 
  5、有一段時間沒用,或者換了新的流動相,需要先衝洗泵和進樣閥。衝洗泵,直接在泵的出水口,用針頭抽取。衝洗進樣閥,需要在manual菜單下,先點擊purge,再點擊start,衝洗時速度不要超過10ml/min。
 
  6、調節流量,初次使用新的流動相,可以先試一下壓力,流速越大,壓力越大,一般不要超過2000。點擊injure,選用合適的流速,點擊on,走基線,觀察基線的情況。
 
  7、設計走樣方法。點擊file,選取se-lectusersandmethods,可以選取現有的各種走樣方法。
 
  8、進樣和進樣後操作。選定走樣方法,點擊start。進樣,所有的樣品均需過濾。方法走完後,點擊postrun,可記錄數據和做標記等。全部樣品走完後,再用上麵的方法走一段基線,洗掉剩餘物。
 
  9、關機時,先關計算機,再關液相色譜。
 
  10、填寫登記本,由負責人簽字。
 
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