Research Article
Equilibrium Measurements of the NH3-CO2-H2O System: Speciation Based on Raman Spectroscopy and Multivariate Modeling
Table 1
Specifications of the RXN2 Raman spectrometer.
| | Name | Description |
| | Excitation laser wavelength (nm) | 785 | | Spectral range (cm−1) | 100–3425 | | Spectral resolution (cm−1) | 4 | | Operating temperature range (°C) | 15–30 | | Number of channels | 4 | | Laser type | Invictus™ NIR diode laser | | Spectrograph | f/1.8 Holographic imaging spectrograph | | Grating | Holographic transmission grating | | Detector | TE cooled, 1024 CCD Detector | | Multichannel scanning | 4-Channel sequential operation | | Cal-Check™ | Automatic analyzer monitor | | Auto-Cal™ | Automated calibration of axis and laser wavelength | | Immersion probe optic | 200 µm (short focus)/Hastelloy/sapphire window |
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