Multiphoton ionization of methyl iodide and selective stepwise ionization of methyl radicals

1982 ◽  
Vol 76 (5) ◽  
pp. 2399-2406 ◽  
Author(s):  
J. Danon ◽  
H. Zacharias ◽  
H. Rottke ◽  
K. H. Welge
Keyword(s):  
Methyl Iodide ◽  
Multiphoton Ionization ◽  
Methyl Radicals ◽  
Stepwise Ionization

High Temperature Absorption of the 3.39 µm He-Ne Laser Line by Small Hydrocarbons

1978 ◽  
Vol 32 (5) ◽  
pp. 489-493 ◽  
Author(s):  
D. B. Olson ◽  
W. G. Mallard ◽  
W. C. Gardiner
Keyword(s):  
High Temperature ◽  
Temperature Dependence ◽  
Methyl Iodide ◽  
Transient Absorption ◽  
Broad Band ◽  
Laser Line ◽  
Methyl Radicals ◽  
Large Numbers ◽  
Absorbing States ◽  
No Absorption

Absorptivity measurements for the 3.39 µm He-Ne laser line are reported for methane, acetylene, ethylene, ethane, propane, n-butane, and n-pentane over the temperature range 300 < T < 2000°K. Shock-heated mixtures containing formaldehyde and methyl iodide showed no absorption or transient absorption at any temperature that could be attributed to formaldehyde or methyl radicals. The temperature dependence of the absorptivities of the C2 and higher hydrocarbons was much weaker than for methane. Comparison with simple theoretical expectations and broad-band absorptivities showed that the higher hydrocarbon absorptions include quite large numbers of absorbing states.

Detection of gas-phase methyl radicals using multiphoton ionization

1981 ◽  
Vol 82 (2) ◽  
pp. 267-269 ◽  
Author(s):  
T.G. Digiuseppe ◽  
Jeffrey W. Hudgens ◽  
M.C. Lin
Keyword(s):  
Gas Phase ◽  
Multiphoton Ionization ◽  
Methyl Radicals

Moderation of Hot Methyl Radicals in Photolysis of Methyl Iodide

1953 ◽  
Vol 21 (10) ◽  
pp. 1894-1894 ◽  
Author(s):  
Frank P. Hudson ◽  
Russell R. Williams ◽  
William H. Hamill
Keyword(s):  
Methyl Iodide ◽  
Methyl Radicals

Multiphoton ionization of methyl radicals in the gas phase

1982 ◽  
Vol 86 (1) ◽  
pp. 36-41 ◽  
Author(s):  
T. G. DiGiuseppe ◽  
Jeffrey W. Hudgens ◽  
M. C. Lin
Keyword(s):  
Gas Phase ◽  
Multiphoton Ionization ◽  
Methyl Radicals
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