A Study of Oxalic Ester Chemiluminescent Reactions

The effects of a number of reaction variables and additives on the kinetics and quantum yields of oxalic ester chemiluminescent reactions were investigated. The experiments were successfully designed to distinguish variable effects on processes leading to the formation of the key intermediate from v...

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Bibliographic Details
Main Authors: Rauhut,Michael M, Semsel,Andrew M
Format: Report
Language:English
Subjects:
ADDITIVES
Atomic and Molecular Physics and Spectroscopy
Chemical reaction mechanisms
CHEMILUMINESCENCE
EXCITATION
INFRARED SPECTROSCOPY
Organic Chemistry
OXALATES
QUANTUM EFFICIENCY
REACTION KINETICS
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Summary:The effects of a number of reaction variables and additives on the kinetics and quantum yields of oxalic ester chemiluminescent reactions were investigated. The experiments were successfully designed to distinguish variable effects on processes leading to the formation of the key intermediate from variable effects on the excitation process. An effort was carried out to detect the key intermediate responsible for fluorescer excitation by infrared spectroscopy. The existance of a meta-stable key intermediate was confirmed, but its detection under the conditions investigated was not possible. The results indicate, however, that fourier transform infrared spectroscopy should permit unambiguous determination of the presence or absence of carbonyl structures in the intermediate and may permit its identification. Recommendations for further work are summarized. (Modified author abstract)