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氣相色譜分析之出峰後基線下移-上海91福利在线观看分析儀器有限公司

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氣相色譜分析之出峰後基線下移

更新時間:2021-11-17點擊次數:7890
  出峰後基線下移的主要原因分析如下:
 
  1、樣品量大,特別是溶劑改變了工作狀態;
 
  2、FID被汙染狀況發生改變,或氣流比發生變化;
 
  3、係統出現漏氣,或出現堵塞;
 
  4、色譜柱被汙染;
 
  5、樣品處理不當,如:樣品中有些物質和固定相發生作用。
 
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