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Isotopically selective infrared multiphoton dissociation of 2-chloro-1,1,1-trifluoroethane: C-13 selectivity and mechanism
Ma, PH; Wu, B; Carr, RW
1999
Source PublicationAPPLIED PHYSICS B-LASERS AND OPTICS
Volume68Issue:1Pages:107-110
SubtypeArticle
AbstractThe C-13-selective infrared multiphoton dissociation of CF3CH2Cl has been studied by analyzing the distribution of C-13 concentrations of the main products CF2=CHCl, CF2=CH2, CF2=CHF, C2F6, and the trace products CF3CH2CF3 and CF3CH=CHF3. The mechanism mainly concerns the dissociation of energized CF3CH2Cl, the collisional stabilization of excited CF3CH and CF3CH2 and the recombination of the nascent radicals. Mo signifi cant radical-molecule reactions degrade the intrinsic C-13 dissociation selectivity. High C-13 production yield and C-13 concentration can be attained at a laser fluence of 1.6 J/cm(2). Such low fluence can be used to improve focus condition and enhance photon utilization efficiency for practicable C-13 separation.
WOS HeadingsScience & Technology ; Physical Sciences
WOS Keyword2-STAGE IRMPD PROCESS ; SEPARATION ; MIXTURES ; CHCLF2 ; ENRICHMENT ; ABSORPTION
Indexed BySCI
Language英语
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Applied
WOS IDWOS:000077847100014
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6022
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Qinghai Inst Saline Lakes, Xining 810008, Qinghai, Peoples R China
2.Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
Recommended Citation
GB/T 7714
Ma, PH,Wu, B,Carr, RW. Isotopically selective infrared multiphoton dissociation of 2-chloro-1,1,1-trifluoroethane: C-13 selectivity and mechanism[J]. APPLIED PHYSICS B-LASERS AND OPTICS,1999,68(1):107-110.
APA Ma, PH,Wu, B,&Carr, RW.(1999).Isotopically selective infrared multiphoton dissociation of 2-chloro-1,1,1-trifluoroethane: C-13 selectivity and mechanism.APPLIED PHYSICS B-LASERS AND OPTICS,68(1),107-110.
MLA Ma, PH,et al."Isotopically selective infrared multiphoton dissociation of 2-chloro-1,1,1-trifluoroethane: C-13 selectivity and mechanism".APPLIED PHYSICS B-LASERS AND OPTICS 68.1(1999):107-110.
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