We rep011 Lhe resonance enhanced mullipholon ionization spectrum of SIF between 430 and 492 run SIF radicals absorbed al least Lhrec photons lo generate the observed m/r 47 SiF ions Two-pholon absorption bands from C"'Z\* + X 2JI, and C'21TI, c X 21T, witions were observed An intense band from seque
Detection of gas-phase methyl radicals using multiphoton ionization
β Scribed by T.G. Digiuseppe; Jeffrey W. Hudgens; M.C. Lin
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 317 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
The technique of resonance enhanced multiphoton ionization has been applied to in situ detection of methyl radicals in high-temperature atmospheric pressure CH, pyrolysis. The detection is via three-photon ionization using two-photon resonances to the 3p \*A;' state 'of CH; at 333.5 and 329.5 nm for
hlelhyl radicals have been dertzvwd in an armospheric prcssurs. melhane/air dirrusion flame by rhree-pholon ionimlion. The origin band or rhc LransiIion belwern the % 'A; ground elrcwmic s131e and III< 3p'A: Rydberg aate is observed a~ 333.5 nm via two-pholon cxcikon. A second peak BL 340.8 nm is li
## Abstract Neat water at temperatures above its normal boiling point was used as a mobile phase for packed capillary column chromatography. The βuniversalβ flame ionization detector (FID) was used for detection. No restrictor or back pressure was imposed at the column outlet. The effects of temper