Temperature Jump Measurements in Gas Kinetics | Zendy

Gozel P. | Zendy; Calpini B. | Zendy; van Den Bergh H. | Zendy

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Temperature Jump Measurements in Gas Kinetics

Author(s) -

Gozel P.,

Calpini B.,

van Den Bergh H.

Publication year - 1984

Publication title -

israel journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.908

H-Index - 54

eISSN - 1869-5868

pISSN - 0021-2148

DOI - 10.1002/ijch.198400036

Subject(s) - chemistry , temperature jump , bar (unit) , gas phase , absorption (acoustics) , relaxation (psychology) , jump , kinetic energy , analytical chemistry (journal) , kinetics , thermodynamics , optics , chromatography , meteorology , psychology , social psychology , physics , quantum mechanics

The temperature jump relaxation method is applied to kinetic measurements in the gas phase. The system N 2 O 4 ⇄2NO 2 is studied. Fast T‐jumps are induced by IR absorption from a TEA CO 2 laser. Temperature jumps of less than 1 K lead to readily detectable concentration changes which are monitored by UV absorption in a simple single shot experiment. k rec (Ar) is found to be 1.05 × 10 10 cm 3 mol −1 s −1 at P Ar = 1 bar and T = 258 K, in agreement with recent experimental data.

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