Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene
The aqueous phase reactions of α,α,α-trifluorotoluene (TFT) with sulfate and phosphate radicals have been investigated by conventional flash-photolysis. The bimolecular rate constants obtained for the reactions of SO₄˙⁻, H₂PO₄˙, HPO₄˙⁻and PO₄˙²⁻ with TFT are (2 ± 1) × 10⁷, (3.5 ± 0.5) × 10⁷, (2.7 ±...
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| Formato: | Articulo |
| Lenguaje: | Inglés |
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1999
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| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/159128 |
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I19-R120-10915-159128 |
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I19-R120-10915-1591282023-10-20T04:06:21Z http://sedici.unlp.edu.ar/handle/10915/159128 Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene Rosso, Janina Alejandra Allegretti, Patricia Ercilia Mártire, Daniel Osvaldo González, Mónica Cristina 1999 2023-10-19T18:37:44Z en Química sulfate and phosphate radicals nature of the organic radicals The aqueous phase reactions of α,α,α-trifluorotoluene (TFT) with sulfate and phosphate radicals have been investigated by conventional flash-photolysis. The bimolecular rate constants obtained for the reactions of SO₄˙⁻, H₂PO₄˙, HPO₄˙⁻and PO₄˙²⁻ with TFT are (2 ± 1) × 10⁷, (3.5 ± 0.5) × 10⁷, (2.7 ± 0.5) × 10⁶ and (9 ± 1) × 10⁵M⁻¹ s⁻¹, respectively. The organic radicals produced from these reactions exhibit a common absorption peak at 290–300 nm. Additionally, the transients generated from sulfate radicals show a shoulder at 360–370 nm and those generated from phosphate radicals a less intense maximum at 400 nm. Based on the experimental results, the nature of the organic radicals is discussed. Additional information on the hydroxycyclohexadienyl radicals of TFT is obtained from independent experiments with hydrogen peroxide solutions containing TFT. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas Articulo Articulo http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf 205-210 |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Química sulfate and phosphate radicals nature of the organic radicals |
| spellingShingle |
Química sulfate and phosphate radicals nature of the organic radicals Rosso, Janina Alejandra Allegretti, Patricia Ercilia Mártire, Daniel Osvaldo González, Mónica Cristina Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| topic_facet |
Química sulfate and phosphate radicals nature of the organic radicals |
| description |
The aqueous phase reactions of α,α,α-trifluorotoluene (TFT) with sulfate and phosphate radicals have been investigated by conventional flash-photolysis. The bimolecular rate constants obtained for the reactions of SO₄˙⁻, H₂PO₄˙, HPO₄˙⁻and PO₄˙²⁻ with TFT are (2 ± 1) × 10⁷, (3.5 ± 0.5) × 10⁷, (2.7 ± 0.5) × 10⁶ and (9 ± 1) × 10⁵M⁻¹ s⁻¹, respectively. The organic radicals produced from these reactions exhibit a common absorption peak at 290–300 nm. Additionally, the transients generated from sulfate radicals show a shoulder at 360–370 nm and those generated from phosphate radicals a less intense maximum at 400 nm. Based on the experimental results, the nature of the organic radicals is discussed. Additional information on the hydroxycyclohexadienyl radicals of TFT is obtained from independent experiments with hydrogen peroxide solutions containing TFT. |
| format |
Articulo Articulo |
| author |
Rosso, Janina Alejandra Allegretti, Patricia Ercilia Mártire, Daniel Osvaldo González, Mónica Cristina |
| author_facet |
Rosso, Janina Alejandra Allegretti, Patricia Ercilia Mártire, Daniel Osvaldo González, Mónica Cristina |
| author_sort |
Rosso, Janina Alejandra |
| title |
Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| title_short |
Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| title_full |
Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| title_fullStr |
Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| title_full_unstemmed |
Reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| title_sort |
reaction of sulfate and phosphate radicals with α,α,α-trifluorotoluene |
| publishDate |
1999 |
| url |
http://sedici.unlp.edu.ar/handle/10915/159128 |
| work_keys_str_mv |
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| _version_ |
1807221604864753664 |