Kinetics of multi-site-occupancy adsorption at the solid/solution interfaces. The absolute rate theory approach

2008 ◽  
Vol 63 (-1) ◽  
Author(s):  
W. Rudziński ◽  
W. Płaziński
Keyword(s):  
Solid Solution ◽  
Site Occupancy ◽  
Rate Theory ◽  
Theory Approach ◽  
Absolute Rate ◽  
The Absolute ◽  
Kinetics Of

Synthesis and spin trapping kinetics of new alkyl substituted cyclic nitrones

1982 ◽  
Vol 60 (12) ◽  
pp. 1514-1522 ◽  
Author(s):  
D. L. Haire ◽  
Edward G. Janzen
Keyword(s):  
Comparative Study ◽  
Rate Constants ◽  
Spin Trap ◽  
Spin Trapping ◽  
Absolute Rate ◽  
Cyclic Nitrones ◽  
The Absolute ◽  
Kinetics Of

Three new nitrones, 5-n-propyl-5-methyl-1-pyrroline-N-oxide (PMPO), 5-n-hexyl-5-methyl-1-pyrroline-N-oxide (HMPO), and 5-n-decyl-5-methyl-1-pyrroline-N-oxide (DeMPO), amphiphilic versions of the spin trap 5,5-dimethyl-1-pyrroline-N-oxide (DMPO), have been synthesized. A comparative study of the absolute rate constants for formation and decay of the tert-butoxyl spin adducts to these cyclic nitrones as well as 3,3,5,5-tetramethyl-1-pyrroline-N-oxide (M4PO) has been undertaken using esr kinetic techniques.

The kinetics of the reactions of atomic hydrogen with halo-ethylenes

1985 ◽  
Vol 63 (8) ◽  
pp. 2127-2130 ◽  
Author(s):  
Mahmooda G. Ahmed ◽  
William E. Jones
Keyword(s):  
Rate Constants ◽  
Atomic Hydrogen ◽  
Pressure Range ◽  
Absolute Rate ◽  
Modest Increase ◽  
The Absolute ◽  
Kinetics Of

The absolute rate constants for the addition of H atoms to C2H3F, 1,1-C2H2F2, C2HF3, C2H3Cl, 1,1 -C2H2Cl2, C2HCl3, and C2H3Br have been determined at 298 ± 2 K over the pressure range 0.70–1.35 Torr. For each of the compounds, the rate constants are found to undergo a modest increase with pressure. At 1.00 Torr the values determined for the rate constants are: C2H3F, (8.86 ± 1.12) × 10−14; 1,1-C2H2F2, (8.16 ± 0.66) × 10−14; C2HF3, (6.21 ± 0.53) × 10−14; C2H3Cl, (27.0 ± 0.5) × 10−14; 1,1-C2H2Cl2, (59.6 ± 3.4) × 10−14; C2HCl3, (10.4 ± 0.8) × 10−14; C2H3Br, (27.8 ± 2.5) × 10−14; in units of cm3 molecule−1 s−1.

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