引用本文:
Bin QI, Yan MA, Xiao Qian LI, Xiao Yan TANG. Determination of the Amplification Factor for 2-Hydroxy-ethylperoxy Radicals in PERCA[J]. Chinese Chemical Letters,
2006, 17(7): 957-960.
Citation: Bin QI, Yan MA, Xiao Qian LI, Xiao Yan TANG. Determination of the Amplification Factor for 2-Hydroxy-ethylperoxy Radicals in PERCA[J]. Chinese Chemical Letters, 2006, 17(7): 957-960.
Citation: Bin QI, Yan MA, Xiao Qian LI, Xiao Yan TANG. Determination of the Amplification Factor for 2-Hydroxy-ethylperoxy Radicals in PERCA[J]. Chinese Chemical Letters, 2006, 17(7): 957-960.
Determination of the Amplification Factor for 2-Hydroxy-ethylperoxy Radicals in PERCA
摘要:
A new method is proposed to determine the amplification factor for 2-hydroxy ethylperoxy radicals (HOC2H4O2·) in chemical amplifier.The radical source comes from the reaction of excess ethene with HO·radicals generated in the photolysis of water vapor at the wave length of 185 nm in air in a flow tube.This produces a radical source which contains equal amount of HO2· and HOC2H4O2·.The amplification factor is derived from the slopes of the lines between produced NO2 in chemical amplifier and total initial radical concentrations measured for the source of HO2·and that of the same amount of HO2·and HOC2H4O2·respectively.The amplification factor of HOC2H4O2·was similar to that of HO2·, indicating that HOC2H4O2·can be measured with the same sensitivity as HO2· by chemical amplifier.
English
Determination of the Amplification Factor for 2-Hydroxy-ethylperoxy Radicals in PERCA
Abstract:
A new method is proposed to determine the amplification factor for 2-hydroxy ethylperoxy radicals (HOC2H4O2·) in chemical amplifier.The radical source comes from the reaction of excess ethene with HO·radicals generated in the photolysis of water vapor at the wave length of 185 nm in air in a flow tube.This produces a radical source which contains equal amount of HO2· and HOC2H4O2·.The amplification factor is derived from the slopes of the lines between produced NO2 in chemical amplifier and total initial radical concentrations measured for the source of HO2·and that of the same amount of HO2·and HOC2H4O2·respectively.The amplification factor of HOC2H4O2·was similar to that of HO2·, indicating that HOC2H4O2·can be measured with the same sensitivity as HO2· by chemical amplifier.
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