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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 23, Number 6
JKCSEZ 23(6)
December 20, 1979 

A Direct Kinetic Study of Cl Atom Reactions

염소원자의 반응속도 연구
Kwang Yul Choo

Flow-discharge-원자흡수선 측정법으로 Cl(2P1/2) 원자의 존재를 확인하였고 Cl(2P3/2) 원자의 여러 물질과의 반응속도를 직접적으로 측정하였다. 본 실험에서 얻은 결과는 간접적인 방법으로 얻은 반응속도와 거의 같음을 보였다. Cl(2P3/2) 원자와 Cl(2P1/2) 원자는 거의 같은 반응성을 가지며, 이러한 반응의 유사성 때문에 Cl(2P1/2) 원자가 Cl원자의 반응속도에는 그다지 큰 영향을 주지 않음을 보인다.

A non-Boltzman equilibrium population of Cl(2P1/2) atoms has been observed in a flow discharge-atomic absorpion experiment. The rates of reactions of Cl(2P3/2) atoms with various substrates are in reasonable agreement with reported values determined by competition methods. The similar reactivities of both Cl(2Pl/2) and Cl(2P3/2) atoms indicate that the contribution of Cl(2P1/2) atoms to the rate measurements in the competition experiment is small, and this negligible contribution may be the reason why the rate constants obtained by assuming single reactive species (in competition method) agree well with our direct measurement.

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