کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5415908 | 1393784 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Air-broadening coefficients of the HO2 radical in the 2ν1 band measured using cw-CRDS
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In this paper we present measurements of the air-broadening coefficients of HO2 at room temperature in the 2ν1 band around 1.5 microns. The HO2 radicals were created by flash photolysis of SOCl2 in a flow of O2/CH3OH mixtures. To observe air-broadening, N2 (79%) and O2 (21%) were added using calibrated flow controllers and a total pressure controller. The total pressure was monitored in parallel using a capacitive pressure gauge. Air-broadening coefficients at 296 K were determined for 34 absorption lines between 6631 and 6671 cmâ1. The air-broadening coefficients of HO2 show a rotational dependence (decreasing from about 0.14 cmâ1/atm for Nâ³Â = 3 to about 0.09 cmâ1/atm for Nâ³Â = 10). No evidence for collisional narrowing was observed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Spectroscopy - Volume 242, Issue 1, March 2007, Pages 64-69
Journal: Journal of Molecular Spectroscopy - Volume 242, Issue 1, March 2007, Pages 64-69
نویسندگان
Nofal Ibrahim, Jerome Thiebaud, Johannes Orphal, Christa Fittschen,