DFS™ High Resolution GC-MS

Achieve outstanding sensitivity for analysis of dioxins and persistent organic pollutants (POPs) with the Thermo Scientific™ DFS™ High Resolution GC-MS system. The DFS double-focusing system is the highest performance mass spectrometer ever built for target compound analysis. Injecting as little as 20fg of TCDD onto the column will give an exceptional signal/noise ratio (greater than 200:1). A product of 50 years of experience in developing magnetic sector MS, the DFS system has all the performance you need in a package that will fit in a small laboratory.

Catalog #
SN ≥200:1 (PtP, 4σ) for 20 fg 2,3,7,8-Tetrachlorodibenzo-p-dioxin on column.

Full specifications
Mass Range 2 to 6000 m/z
Dynamic Range > 5 orders linear dynamic range
MS Scan Power 0.1 to 10000 Da/sec.
Mass Accuracy <2 ppm voltage scanning. <5 ppm magnet scanning.
Sensitivity SN ≥200:1 (PtP, 4σ) for 20 fg 2,3,7,8-Tetrachlorodibenzo-p-dioxin on column.
Resolution >60,000 R
Voltage 230V
Data System Software and Options Thermo Scientific™ Xcalibur™ and Thermo Scientific TargetQuan™ 3.
Mass Resolution Up to 60,000 R
Modes Full range of ionization modes available: EI, CI, FAB & FD/FI
Scanning Capabilities Voltage Scanning, Magnet Scanning, Mulitiple Ion Detection (MID, aka SIM), Multiple Reaction Monitoring (MRM).
Source Type Optimised ion efficiency, easy install, inert source.
Vacuum System Turbo molecular pumps backed by rotary pumps; all housed inside the instrument for minimum noise emission.
Item Description DFS high resolution GC/MS; Configurable

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    Product Description

    Operation as Simple and Straightforward as a Typical Benchtop MS

    • Automatic tuning
    • Automatic universal mass calibration: Field-based calibration, i.e. mass calibration is independent of scan speed, polarity, ionization mode
    • Unattended automatic operation
    • Intuitive user interface and set-up
    • Comprehensive and flexible data evaluation and reporting
    Outstanding Sensitivity and Specificity with High-throughput
    • Exceptional S/N ratio with extraordinarily low limit of detection: 20fg TCDD on-column in high resolution MID mode gives S/N 200:1
    • Detection system with ±20kV conversion dynode and long-life secondary electron multiplier for efficient detection of ions
    • Low limits of quantitation
    • Mass range of 2-6000Da
    Ease of Ownership
    • Fits into a small laboratory
    • Reduced power consumption
    • Quieter than many other instruments
    • Requires little installation time
    • Immediately productive
    Other Key Features
    • Full range of ionization modes available: EI, CI, FAB, FD/FI
    • Pneumatically actuated exchange lock for ventless exchange of ionization volumes
    • Removable ion volumes for easy source maintenance
    • Radially laminated magnet
    • High performance toroidal ESA
    Recommended For:
    • EI/CI
    • Positive and negative ions
    • Solids probe
    • FAB
    • Other ionization and inlet techniques

    BFR 2015

    International Symposium on Flame Retardants

    21-24 April 2015

    Beijing, China


    Join our lunch time seminar to celebrate “10 Years Thermo Scientific DFS GC-HRMS – Gold Standard for Dioxin, BFRs and other POPs” 

    POPs Symposium 2015

    29-30 April 2015

    Prague, Czech Republic


    Visit the 10th International Symposium on Recent Developments in POPs Analysis

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