A mass spectrometric study of the NH2 + NO2 reaction

J. Park; Ming-Chang Lin

doi:10.1021/jp963720u

A mass spectrometric study of the NH₂ + NO₂ reaction

J. Park, Ming-Chang Lin^*

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49 引文斯高帕斯（Scopus）

摘要

The total rate constant and product branching ratios of the NH₂ + NO₂ reaction have been determined in the temperature range of 300-910 K using a pulsed laser photolysis/mass spectrometric technique by probing H₂O and N₂O product formation and NO₂ reactant decay. A weighted least-squares fit of our result for the total rate constant yields the following expression: k₁ = (8.1 ± 0.33) × 10¹⁶ T^-1.44 exp(-135/T) cm³/(mol·s). The product branching ratio for the N₂O + H₂O channel of the NH₂ + N_O2 reaction obtained by modeling the absolute N₂O product yield near or at its plateau value gives 0.19 ± 0.02 without significant temperature dependence, confirming our earlier result obtained by using a high-gain amplifier with no time-resolved information (ref 18).

原文	English
頁（從 - 到）	2643-2647
頁數	5
期刊	Journal of Physical Chemistry A
卷	101
發行號	14
DOIs	https://doi.org/10.1021/jp963720u
出版狀態	Published - 3 4月 1997

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abstract = "The total rate constant and product branching ratios of the NH2 + NO2 reaction have been determined in the temperature range of 300-910 K using a pulsed laser photolysis/mass spectrometric technique by probing H2O and N2O product formation and NO2 reactant decay. A weighted least-squares fit of our result for the total rate constant yields the following expression: k1 = (8.1 ± 0.33) × 1016 T-1.44 exp(-135/T) cm3/(mol·s). The product branching ratio for the N2O + H2O channel of the NH2 + NO2 reaction obtained by modeling the absolute N2O product yield near or at its plateau value gives 0.19 ± 0.02 without significant temperature dependence, confirming our earlier result obtained by using a high-gain amplifier with no time-resolved information (ref 18).",

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N2 - The total rate constant and product branching ratios of the NH2 + NO2 reaction have been determined in the temperature range of 300-910 K using a pulsed laser photolysis/mass spectrometric technique by probing H2O and N2O product formation and NO2 reactant decay. A weighted least-squares fit of our result for the total rate constant yields the following expression: k1 = (8.1 ± 0.33) × 1016 T-1.44 exp(-135/T) cm3/(mol·s). The product branching ratio for the N2O + H2O channel of the NH2 + NO2 reaction obtained by modeling the absolute N2O product yield near or at its plateau value gives 0.19 ± 0.02 without significant temperature dependence, confirming our earlier result obtained by using a high-gain amplifier with no time-resolved information (ref 18).

AB - The total rate constant and product branching ratios of the NH2 + NO2 reaction have been determined in the temperature range of 300-910 K using a pulsed laser photolysis/mass spectrometric technique by probing H2O and N2O product formation and NO2 reactant decay. A weighted least-squares fit of our result for the total rate constant yields the following expression: k1 = (8.1 ± 0.33) × 1016 T-1.44 exp(-135/T) cm3/(mol·s). The product branching ratio for the N2O + H2O channel of the NH2 + NO2 reaction obtained by modeling the absolute N2O product yield near or at its plateau value gives 0.19 ± 0.02 without significant temperature dependence, confirming our earlier result obtained by using a high-gain amplifier with no time-resolved information (ref 18).

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A mass spectrometric study of the NH2 + NO2 reaction

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A mass spectrometric study of the NH₂ + NO₂ reaction