This paper describes the composing and character of gas chromatography column PEG20M, DNP+TWEEN60 (80) and 402, to select correct column in the analysis work.

 
  • 摘要论述了聚乙二醇(PEG)20M、邻苯二甲酸二壬酯(DNP)+Tween60(80)混合柱和402柱的构成及特点,以求在分析工作中正确地选用。
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