Shock tube study of the reaction of H atoms with SnCl4

Abstract

The reaction of H atoms with SnCl₄ was studied behind reflected shock waves at temperatures between 1020 and 1360 K and pressures around 150 KPa by applying atomic resonance absorption spectrometry for time-resolved measurements of H atoms at the L_α line. The thermal decomposition of ethyl iodide (C₂H₅I) served as the H-atom source. For the reaction SnCl₄ + H → SnCl₃ + HCl a temperature-independent rate coefficient of k₁ = 3.5 ± 0.5 × 10¹³ cm³ mol⁻¹ s⁻¹ was found for the temperature range of the present experiments.