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Kinetics of Thermal Ionization of Alkali Metals in Flames

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dc.contributor.author Hayhurst, A N
dc.contributor.author Telford, N R
dc.date.accessioned 2025-02-05T06:25:18Z
dc.date.available 2025-02-05T06:25:18Z
dc.date.issued 1972
dc.identifier.uri http://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/17203
dc.description.abstract The rate of ionization of alkali metal atoms M in flames of H2+ O2+ N2 has been measured using a quadrupole mass spectrometer to determine concentrations of each ion in a flame. The results confirm that the atoms ionize by collisions with flame gas molecules X in M + X → M++ e–+ X. The measured activation energy is, within experimental error, the ionization potential of the alkali metal and the associated cross-sections πσ2 are anomalously large, being similar for each metal and in the range 2.5 ± 1.1 × 10–16 m2. These cross-sections are in excellent agreement with Kelly and Padley's values and are discussed in terms of both a “ladder-climbing” excitation mechanism and a process with an ionic complex as intermediate. en_US
dc.language.iso en en_US
dc.publisher Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1972, 68 (2) en_US
dc.subject Chemistry en_US
dc.subject Kinetics en_US
dc.subject Thermal Ionization en_US
dc.subject Alkali Metals en_US
dc.subject Journal of the Chemical Society : Faraday Transaction - I en_US
dc.title Kinetics of Thermal Ionization of Alkali Metals in Flames en_US
dc.type Article en_US


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