Evidence for physical quenching of singlet oxygen (O2(1Δg)) by dinitrophenols
✍ Scribed by Héctor E. Gsponer; Carlos M. Previtali; Norman A. García
- Publisher
- Elsevier Science
- Year
- 1987
- Weight
- 458 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0047-2670
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📜 SIMILAR VOLUMES
## The dextikation of singlet o\>_rcn O~('A,) on a gold surface and its chan:c due to temperature variation and water \apour addition hate hcrn imestigated in a flow system.
The quenching rate constants of 02('Ag) with n-butylamine, diethylamine, dipropylamine, dibutylamine, and tripropylamine have been determined in a discharge flow system. The rate constants are found to be (1.6 i . 0.2) x lo3, (8.5 2 0.6) X lo4, (9.8 ? 0.5) x lo4, (2.1 2 0.1) x lo5, and (8.6 2 0.5) x
Rate constants for the quenching of Oz(lAg) by 2,3dimethyl-2-butene and triethylamine have been determined in a discharge-flow system when NO2 is added to eliminate atomic oxygen from the system. The results indicate that in many previous determinations of rate constants for the quenching of 02(lAg)