Probing BrCl from photodissociation of CH2BrCl and CHBr2Cl at 248 nm using cavity ring-down spectroscopy

2021 ◽  
Vol 23 (10) ◽  
pp. 6098-6106
Author(s):  
Balaganesh Muthiah ◽  
Toshio Kasai ◽  
King-Chuen Lin

Investigation of molecular halogens as a primary product from the photodissociation of CH2BrCl and CHBr2Cl at 248 nm using cavity ringdown absorption spectroscopy (CRDS).

2015 ◽  
Vol 229 (4) ◽  
Author(s):  
Patrick Nau ◽  
Julia Koppmann ◽  
Alexander Lackner ◽  
Andreas Brockhinke

AbstractAbsorption spectroscopy in the ultraviolet (UV) and mid-infrared (MIR) spectral region has been used in a comparative study for the detection of formaldehyde in laminar low pressure flames of dimethyl ether (DME) and methane. Both spectral regions were tested to explore respective advantages and limitations, especially for the detection of stable molecules in flames. In the UV, cavity ring-down spectroscopy (CRDS), a highly sensitive multi-pass absorption technique, has been used for the detection of formaldehyde in the


2021 ◽  
Vol 23 (39) ◽  
pp. 22492-22500
Author(s):  
Muthiah Balaganesh ◽  
Joseph Song ◽  
Toshio Kasai ◽  
King-Chuen Lin

The photodissociation of 2,3-dibromopropionyl chloride (CH2BrCHBrC(O)Cl, 2,3-DBPC) at 248 nm was carried out to study Br2 as the primary molecular product in the B3Π+0u ← X1Σ+g transition using cavity ring-down absorption spectroscopy.


2019 ◽  
Vol 21 (26) ◽  
pp. 13943-13949 ◽  
Author(s):  
Balaganesh Muthiah ◽  
Denís Paredes-Roibás ◽  
Toshio Kasai ◽  
King-Chuen Lin

Photodissociation of CH2BrI was investigated in search of unimolecular elimination of BrI via a primary channel using cavity ring-down absorption spectroscopy (CRDS) at 248 nm.


2014 ◽  
Vol 134 (8) ◽  
pp. 243-246
Author(s):  
Yuki Hirabayashi ◽  
Hirokazu Tanimoto ◽  
Yoshinobu Maeda

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