Crossref journal-article
Wiley
International Journal of Chemical Kinetics (311)
Abstract

AbstractThe reaction mechanism of carbon dioxide with diethanolamine (DEA) is investigated using the stopped‐flow method with optical detection in the ranges of concentration [DEA] = 0.111–8.4 × 10−2Mand [CO2] = 2.94–5.6 × 10−3M. The comparison of the fast time‐dependent light transmission change of a pH indicator with theoretical simulations of integrated rate equations requires a kinetic model in which a simple carbamate formation takes place simultaneously with hydration reactions, whose contributions are far from being negligible. A first‐order reaction relative to DEA is thus found with a rate constant for carbamate formation smaller than usually predicted (110 ± 15M−1s−1at 25°C). The equilibrium constant for the same reaction is also determined giving pKR= 5.3 at 25°C, in satisfactory agreement with values assumed so far.

Bibliography

Barth, D., Tondre, C., & Delpuech, J. J. (1983). Stopped‐flow determination of carbon dioxide–diethanolamine reaction mechanism: Kinetics of carbamate formation. International Journal of Chemical Kinetics, 15(11), 1147–1160. Portico.

Authors 3
  1. D. Barth (first)
  2. C. Tondre (additional)
  3. J. J. Delpuech (additional)
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Dates
Type When
Created 20 years, 7 months ago (Jan. 1, 2005, 9:55 p.m.)
Deposited 1 year, 7 months ago (Jan. 17, 2024, 5:53 p.m.)
Indexed 1 year, 7 months ago (Jan. 17, 2024, 6:38 p.m.)
Issued 41 years, 9 months ago (Nov. 1, 1983)
Published 41 years, 9 months ago (Nov. 1, 1983)
Published Online 20 years, 10 months ago (Oct. 19, 2004)
Published Print 41 years, 9 months ago (Nov. 1, 1983)
Funders 0

None

@article{Barth_1983, title={Stopped‐flow determination of carbon dioxide–diethanolamine reaction mechanism: Kinetics of carbamate formation}, volume={15}, ISSN={1097-4601}, url={http://dx.doi.org/10.1002/kin.550151104}, DOI={10.1002/kin.550151104}, number={11}, journal={International Journal of Chemical Kinetics}, publisher={Wiley}, author={Barth, D. and Tondre, C. and Delpuech, J. J.}, year={1983}, month=nov, pages={1147–1160} }