A cryogen-free refrigerating preconcentration device for the measurement of C2 to C4 hydrocarbons in ambient air

Hong Peng, JianWei Wang, Zheng Shen, Dapeng Wu, Yafeng Guan
  • The Analyst, January 2011, Royal Society of Chemistry
  • DOI: 10.1039/c0an00563k
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