Two dimensional gas chromatography-time-of-flight mass spectrometer

Model: iTOFMS-2G

Product Description, Technical Parameters, and Configuration

ITOFMS-2G is a high-performance mass spectrometer meticulously crafted by Xiamen Mass Spectrometry Company, a subsidiary of Tianrui Instruments. It is also a commercial small-scale electronic bombardment ion source time-of-flight mass spectrometer with completely independent intellectual property rights. It has excellent functions of high resolution, high sensitivity, and high acquisition speed, achieving integration with full two-dimensional gas chromatography and rapid gas chromatography. The birth of iTOFMS-2G sounded the horn for domestic mass spectrometry to move towards general-purpose high-end mass spectrometers.

Comprehensive Two dimensional Gas Chromatography Time of Flight Mass Spectroscopy (GCxGC TOFMS) is a rapidly developing chromatography-mass spectrometry technology internationally in the past decade, and is a new trend in the development of chromatography-mass spectrometry technology. Compared with conventional GC-MS, it has significant advantages such as high throughput, high separation and high sensitivity. It is a good solution for the analysis of all components and trace components in complex systems, and has gradually become a necessary analytical instrument in the fields of petrochemical industry, essence and fragrance, tobacco and alcohol industry, food safety, environmental monitoring and identification of traditional Chinese medicine.

performance advantage

Electron bombardment ion source: An electron bombardment source with high ionization efficiency and extraction efficiency, coupled with an optimized vertical introduction time-of-flight analyzer, has achieved full scan sensitivity that reaches the sensitivity of four bar mass spectrometry selective ion scanning (S/N>500:1 for 1pg OFN, S/N>50:1 for 0.1pg OFN), fully meeting the requirements of trace analysis

Quality analyzer: A time-of-flight analyzer designed with ion orthogonal introduction and two-stage reflector greatly reduces the initial energy dispersion of ions. It not only ensures higher resolution and wider mass range (1-1200 amu) than a four-bar gas chromatography-mass spectrometer, but also has high quality accuracy and long-term stability of less than 0.01 amu, thus achieving accurate window extraction of characteristic ions and greatly improving the signal-to-noise ratio of spectra

Signal acquisition and recording system: using ultra high speed analog-to-digital conversion recorder (1GHz/2GHz SPS) with hardware accumulation function. Therefore, while obtaining a wider linear range, it can better record mass spectrometry peaks and improve the accuracy of quantitative analysis

Vacuum system: Designed with dual turbo molecular pumps and dual full range composite digital vacuum gauges, it can monitor vacuum in real-time; The molecular pump in the ion source region has a pumping speed of up to 350L/s, which not only meets the requirements of high flow rate, but also greatly reduces sample contamination and background interference

Electrical control system: a comprehensive and reliable vacuum monitoring and electrical protection system

Modulator: The newly designed ZX-2 ring modulator from Zoex Corporation in the United States; A nitrogen free electric refrigeration system can be used to reduce the cost of instrument use

Image Batch Processing Template: Automatic Baseline Correction, Automatic Peak Search, Complex Peak Resolution Function (Deconsolution), Calculation of Peak Area and Height, Quantification, Sample Comparison, Report Generation, Data Output

CLIC: It can quickly filter and analyze GCXGCXMS data, with functions similar to Excel spreadsheets

Deconvolution: Separate analytes from co current interferences

Structured parsing function: Distinguish the analyte according to its type series and quantify it according to its species. Can be edited without the need for computer language and define structured analysis programs on your own

Colorful design: Achieve optimal qualitative analysis results (with over 60 built-in colors, displaying subtle differences in some components of the chromatogram accurately and intuitively)

Multi modal visualization effect: The obtained results can display 3D stereoscopic images from different angles, 2D planar overhead views, and traditional one-dimensional images

Provide NIST spectrum retrieval: with reverse retrieval function and compatibility with third-party databases

Software Advantages

Fully object-oriented modular development, not only rich and powerful in functionality, but also with a simple, intuitive, and efficient interface,

The automatic tuning function of genetic algorithm can quickly achieve the optimal working state of the instrument,

Equipped with automatic solvent protection and component overload protection, it maximizes the protection of the filament and detector,

The innovative TIC graph automatic baseline correction function (SBC) and background removal technology make analysis more accurate,

The new version of NIST retrieval spectrum library has an 11% increase in the number of standard spectra compared to version 08, and has the ability to create its own spectra,

The RSD and linearity automatic calculation function of multispectral graphs enables users to quickly understand the repeatability and stability status of the instrument,

Diversified quantitative analysis methods can achieve area normalization with correction factors, internal standard method and external standard method, and complete accurate quantitative calculation of samples.

Technical Specifications

Quality range: 1~1200amu

Ion source: electron bombardment ion source, dual filament design (with automatic solvent protection function and software automatic switching); Large electron emission current of 300uA, emission energy of 0-200eV; ion source at high temperature of 300 ℃, transmission line at high temperature of 400 ℃

Quality resolution: 2000~3000 (M/z=502Th)

Detection sensitivity: 1pg/μ I OFN, S/N>500 (RMS); 0.1pg/μI OFN, S/N>50(RMS)

Acquisition speed: 200spectrum/s (repulsion pulse frequency 15kHz)

Acquisition card: ADC (1GHz/2GHz SPS, with hardware accumulation)

Quality axis stability: less than 0.01 amu (within one week)

Linear range: 104

Vacuum system: twin turbo molecular pump 350L/s+70L/s), front stage rotary vane mechanical pump (standard, optional vortex dry pump); One Pirani digital gauge (front stage) and two full range composite high vacuum digital gauges

Application field

petrochemical

Fragrance and flavor

Tobacco and Liquor Industry

Food Safety and Environmental Protection

Identification of Traditional Chinese Medicine and Drug Metabolism