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Items for "Reaction Kinetics"

Determination of Reaction Rate Constants and T₂ Relaxation Times Using Integrated NMR Power Spectra

An alternative method of evaluating chemical rate constants from NMR measurements is proposed. The integral over the NMR power spectrum depends on the life times of reacting species in contrast to the integral over the conventional phase sensitive NMR spectrum...

Keywords: NMR Power Spectra, Reaction Kinetics, T₂ Relaxation

05/2006 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Application of radioactive tracer technique on industrial grade ion exchange resins Indion-830 (Type-1) and Indion N-IP (Type-2)

The radioactive ¹³¹I was used as a tracer to study the kinetics of iodide ion-isotopic exchange reactions...

Keywords: Radioactivity, 131I tracer isotopes, Isotopic exchange reaction, Ion exchange resins, Reaction Kinetics

02/2007 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Rotational Dependence of the Proton Transfer Reaction HBr⁺ (N⁺) + CO₂ → HOCO⁺ + Br

Absolute cross sections and rate constants for the endothermic proton transfer reaction of rotationally state selected HBr⁺ ions with CO₂ were measured as a function of the rotational energy for different center-of-mass (c.m.) collision energies...

Keywords: ion molecule reactions, rotational state selection, Reaction Kinetics, cross sections

05/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Study on kinetics and mechanism of ion-isotopic exchange reaction using strongly basic anion exchange resins Duolite A 101D and Duolite A 102D

The radioactive ⁸²Br was used as a tracer to study the bromide isotopic exchange reactions...

Keywords: Radioactivity, 82Br tracer isotopes, Ion-Isotopic exchange reaction, Ion exchange resins, Reaction Kinetics

10/2007 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Application of radioactive tracer technique for characterization of some strongly basic anion exchange resins

The radioactive ¹³¹I was used as a tracer to study the kinetics of iodide isotopic exchange reactions...

Keywords: Radioactivity, 131I tracer isotopes, Reaction Kinetics, Ion exchange resins, Ion-Isotopic exchange reaction

02/2008 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Sensitive Absorption Methods for Quantitative Gas Phase Kinetic Measurements. Part 1: Frequency Modulation Spectroscopy

Frequency modulation spectroscopy (FMS) and cavity ringdown spectroscopy (CRDS) are sensitive absorption based detection methods that have found widespread applications in gas phase reaction kinetics...

Keywords: Review, Frequency Modulation Spectroscopy, Time-Resolved, Reaction Kinetics

01/2008 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Sensitive Absorption Methods for Quantitative Gas Phase Kinetic Measurements. Part 2: Cavity Ringdown Spectroscopy

Cavity ringdown spectroscopy (CRDS) and frequency modulation spectroscopy (FMS) are sensitive absorption based detection methods that have found widespread applications in gas phase reaction kinetics...

Keywords: Review, Cavity Ringdown Spectroscopy, Time-Resolved, Reaction Kinetics