 | DiscovIR-GC™
· 红外透射盘微流沉积
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| 应用领域
· 管控物质 · 安Fei他明/苯Bing胺类 · 非对映体分析 · 麻Huang碱/伪麻Huang碱类 · 痕量分析 · 芬Tai尼类 · 卡Xi酮类 · 苯Yi胺类 | 提高化合物定性分析效率
当识别复杂混合物中的成分时，全新的DiscovIR光谱分析系统是绝佳的解决方案。红外光谱提供了每种化合物的特征指纹，通过与商业红外光谱数据库检索，可以快速、轻松地识别每一个成分。DiscovIR系统在识别结构异构体方面特别有用，这对于质谱分析来说可能是一个具有挑战性的领域。
| 微沉积对分析的改进
DiscovIR独特的温度控制、真空沉积方法确保了结果的准确性和可重复性。洗脱峰首先沉积在旋转红外透明圆盘的薄膜上。圆盘将聚集的光斑旋转进行红外光谱分析并采集光谱。
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Enhanced Resolution Infrared Detection System for 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 20 hours of chromatography |
| Disc Temperature Control | -100 to –30°C; ambient to 100°C |
| Unattended operation | 12 hours; Autosampler-compatible |
Data Station
| Platform | Microsoft Windows™ 10 PRO |
| 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 Search Software included Spectra compatible with all solid phase FTIR Libraries |
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) |
最小化浓缩样品
样品盘的低温控制使沉积的分析物的面积最小化，从而生成更厚的样品层，使得吸收光谱的灵敏度更高。在气相色谱检测器提供很少的有用信息时仍能有一个理想的结果。
整个色谱运行的结果沉积于样品盘
整个色谱运行结果作为固体沉积于样品盘上，保留了分离的分辨率，因此，您可以再次扫描整个运行沉积物，以研究细微特征并提高信噪比。
色谱运行可调整旋转样品盘的速度以匹配沉积样品的浓度。
产品应用
香精&香料
Unique solution for flavor and fragrance identification by means of solid phase FTIR GC-MS
刑侦 & 药品
DiscovIR how to rapidly and accurately identify unknown substances & excipients.
聚合物分析
DiscovIR the science of polymer characterization.
食品&农业
DiscovIR new flavors and fragrances.
复杂混合物分析
DiscovIR this versatile instrument for the analysis of complex mixtures.
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