Fluorinated hydrocarbon radical-radical reactions in the gas phase have been studied at low pressure (0.5 ≤ p/mbar ≤ 2) and low temperature (253 ≤ T/K ≤ 333) using the discharge flow reactor molecular beam sampling mass spectrometry (MS) technique. Stable and labile species have been detected by MS applying low energy electron impact as well as multiphoton ionisation.
For the combination reaction
CH
the rate coefficient k
CH
is the main channel (k(1b)/k
For the CHF
CHF
the rate coefficient was measured as k
No pressure dependence of k
气相中的氟化碳氢自由基反应已在低压(0.5 ≤ p/mbar ≤ 2)和低温(253 ≤ T/K ≤ 333)条件下进行研究,使用放电流反应器分子束取样质谱(MS)技术。通过应用低能电子碰撞和多光子电离,MS检测到了稳定和不稳定的物种。对于组合反应,CH的速率系数k是主要通道(k(1b)/k)。对于CHF,速率系数被测量为k。k没有压力依赖性。