Calibration of CCI2FCCIF2 (CFC-113) and Its Effects on the Atmospheric Long-term Measurements

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Abstract

A simple but innovated calibration procedure for the measurements of volatile organic compounds in the atmosphere is introduced via the use of CCl2FCCIF2 (CFC-113) long-term global data set as an illustration. Non-linear response for the electron capture detector toward CFC-113 was carefully calibrated within and beyond the measurement working range. Our measurement results, after correction for non-linearity, are in excellent agreement with those of the ALE/GAGE monitoring program, suggesting our calibration method along with its results are experimentally sound and well executed. Our global measurements show that, after years of rapid growth of CFC-113 in the atmosphere, its concentration had been leveling-off and even started to decline in 1995.

Original languageEnglish
Pages (from-to)17-22
Number of pages6
JournalJournal of the Chinese Chemical Society
Volume44
Issue number1
DOIs
StatePublished - 1997

Keywords

  • Chlorofluorocarbon
  • Electron capture detector
  • Halocarbon
  • Linearity

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