| FTIR–MCT
detector |
ozone (O3) |
3.5 ppmv |
gold-coated meandered iHWG |
(55) |
| FTIR–MCT detector |
hydrogen sulfide
(H2S) |
3 ppmv |
conversion of H2S to SO2 prior
IR analysis |
(46) |
| riQCL–MCT detector |
furan (C4H4O) and 2-methoxyethanol (C3H8O2) |
not specified |
brass compact iHWG |
(53) |
| FTIR–MCT detector |
isoprene (C5H8) |
32.0 ppbv |
a compact preconcentrator
column was coupled to iHWG |
(45) |
| FT-NIR |
methane (CH4), ethane (C2H6), propane
(C3H8) and butane (C4H10) |
not specified |
partial least-squares
(PLS) regression |
(56) |
| ICL-MCT detector |
methane (CH4) |
6 ppmv |
brass
substrate gold-coated |
(41) |
| FTIR–MCT detector |
isobutylene (C4H8) and cyclopropane (C3H6) |
22 and 57 ppmv |
fiber-iHWG |
(50) |
| |
|
|
silver halide fibercoupled to the iHWG μFLUID-IR |
|
| FTIR–MCT detector |
EtOH (C2H5OH) |
not specified |
liquid phase sampling accessory for vapor phase studies |
(51) |
| QCL-MCT detector |
12CO2 and 13CO2
|
45.0 ppmv and 8.0 ppmv |
3D printed polyHWGs coated
with a gold layer |
(44) |
| FTIR-MCT detector |
nitrous oxide (N2O) |
5.0 ppbv |
iHWG combined with a compact preconcentrator device |
(57) |
| FTIR |
carbon dioxide (CO2) |
not specified |
iHWG combined with a luminescence-based
flowthrough oxygen
sensor |
(54) |
| FTIR-MCT detector |
nitrogen
monoxide (NO) |
1.5 ppbv |
conversion of NO to NO2 using ultraviolet
radiation |
(39) |
| |
nitrogen dioxide
(NO2) |
1.0 ppmv |
|
|
| |
nitrous oxide (N2O) |
0.5 ppbv |
|
|
| FTIR-DTGS
detector |
isobutane (C4H10) |
8.0 ppmv |
simulation and optimization of iHWG
structures. |
(58) |
| MIR-MCT detector |
methane (CH4) |
12.0 ppmv |
multichannel
preconcentrators |
(48) |
| FTIR–MCT |
carbon monoxide (CO) |
94 ppmv |
dynamic
catalyst performance studies |
(59) |
| |
carbon
dioxide (CO2) |
13 ppmv |
|
|
| FTIR–MCT |
hydrogen
sulfide (H2S) |
1.5 ppmv |
UV-based conversion of H2S to SO2 (iCONVERT);
preconcentrator unit (iPRECON) |
(49) |
| FTIR-MCT Detector |
hydrogen sulfide (H2S) |
0.207 ppmv |
custom-made
preconcentration tube (H2S to SO2) and an in-line
UV-converter device |
(43) |
| |
sulfur
dioxide (SO2) |
0.077 ppmv |
|
|
| DFB-ICL-MCT |
butane (C6H6) |
0.42 ppmv |
combination of a distributed
feedback laser (DFB) ICL with
an iHWG |
(52) |
