DiscovIR-GC System Overview:
| Operating Principle | Direct deposition of column eluent on |
cryogenically-cooled ZnSe sample disc
| Detection Method | Built-in FTIR |
| IR Detector | 0.1 x 0.1 mm MCT |
| IR Range | 4000–700 Wavenumbers |
| Resolution | 4 or 8 cm-1 |
| Data Collection | Real-time， with post-run rescan |
| Spectrum Type | Transmittance through disc and solid-phase sample |
| Disc Capacity | About 50 hours of chromatography |
| Disc Temperature Control | -100 to –30°C; ambient to 100°C |
| Unattended operation | 12 hours; Autosampler-compatible |
Data Station
| Platform | Standard Desktop computer w/ Microsoft Windows™ |
| Spectroscopy Package | Thermo Galactic GRAMS/32 AITM |
| Standard Features | ? Real-time and post-run data collect ? Chromatographic / spectral workup ? Band chromatograms for chemical classes ? Ratio chromatograms for profiling trends ? Alignment and tuning tools |
| Library Search | Library with 4，000 spectra of controlled substances |
DiscovIR-GC Configuration
| GC Flow Rates Accepted | 0.1 to 5 ml/min |
| GC Temperatures | Programmed up to 420°C |
| Sensitivity | Picogram range (e.g.<200 pg of dodecane) |
| Chromatograph | Compatible with any GC system (user supplied) |
这种带有光谱分析DiscovIR-GC沉积和检测系统的Agilent 7890A GC状况良好。它已经在SpectraLab Scientific进行了测试和翻新。
