Gas chromatograph mass spectrometers (GC MS) are to volatile chemical compounds what liquid chromatography (LC) MS systems are to materials in solution: they separate and analyze gas-phase molecules. In LC, compounds are fractionated based on their differential affinity for the separation’s mobile (liquid) and stationary phases (column packing material). In GC, heated, volatile compounds are injected into a flowing gas stream and separated as that stream flows through a long hollow tube (sometimes tens of meters in length) coated with a stationary phase material. In GC MS, the fractionated compounds are then ionized (typically by electron ionization) and injected into the mass spec analyzer, most commonly a single quadrupole (though triple quadrupoles and time-of-flight analyzers are also available). Gas chromatograph mass spectrometers are generally used to analyze small, relatively non-polar compounds, and are widely used in forensics, food safety, environmental monitoring, and petrochemicals, among others.
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- Temperature Range: up to 250C (Analyzer), up to 450C (GC)
- Ionization Method(s): Electron Ionization Only
- Mass Analyzer: Ion Trap
- Mass Range: 10 to 650 Da
- Temperature Range: up to 250C (Analyzer), up to 450C (GC)
- Ionization Method(s): Electron Ionization and Chemical Ionization (PCI)
- Mass Analyzer: Ion Trap
- Mass Range: 10 to 650 Da
- Temperature Range: up to 250C (Analyzer), up to 450C (GC)
- Ionization Method(s): Electron Ionization and Chemical Ionization (PCI)
- Mass Analyzer: Ion Trap
- Mass Range: 10 to 650 Da
- Temperature Range: up to 250C (Analyzer), up to 450C (GC)
- Ionization Method(s): Electron Ionization and Chemical Ionization (PCI / NCI)
- Mass Analyzer: Ion Trap
- Mass Range: 10 to 1000 Da
- Temperature Range: up to 350C (Ion Source), up to 200C (Analyzer)
- Ionization Method(s): EI, PCI, NCI
- Mass Analyzer: Triple Quadrupole (Triple-Axis HED-EM)
- Mass Range: up to1050 u
- Temperature Range: [RT + 8C] to 425C (Column Oven), up to 350C (Ion source)
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: Monolithic Hyperbolic Quadrupole
- Mass Range: up to 1050 u
- Temperature Range: [RT + 8C] to 350C (Column Oven), up to 350C (Ion source)
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: Monolithic Hyperbolic Quadrupole
- Mass Range: up to 1050 u
- Temperature Range: 106 to 350C (Ion Source), 106 to 200C (Analyzer)
- Ionization Method(s): EI, PCI, NCI
- Mass Analyzer: Triple Quadrupole
- Mass Range: 1.2 to 1,050 m/z
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: TOF
- Mass Range: 1 to 1000 amu
- Temperature Range: -100C to 450C (depending on model and conditions)
- Ionization Method(s): Electron Ionization (EI), Positive/Negative Chemical Ionization (CI)
- Mass Analyzer: Quadrupole or Triple-Quadrupole
- Mass Range: 800 to 2000 m/z (depending on model)
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: Time of Flight (TOF)
- Mass Range: Inquire
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization
- Mass Analyzer: Time of Flight
- Mass Range: Inquire
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: Time of Flight (TOF)
- Mass Range: Inquire
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization (EI), Chemical Ionization (CI)
- Mass Analyzer: Time of Flight (TOF)
- Mass Range: Inquire
- Temperature Range: 50C to 350C
- Ionization Method(s): EI, PCI and NCI
- Mass Analyzer: Metal Quadrupole Mass Filter with pre-rod
- Mass Range: 1.5 to 1090 m/z
- Temperature Range: up to 260C
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: Quadrupole
- Mass Range: 1.5 to 900 Daltons
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization (EI)
- Mass Analyzer: Quadrupole
- Mass Range: 1.5 to 1000 m/z
- Temperature Range: Inquire
- Ionization Method(s): EI, CI, FAB, FD/FI
- Mass Analyzer: Magnetic Sector Mass Spectrometer
- Mass Range: 2 to 6000 Da
- Temperature Range: Inquire
- Ionization Method(s): Electron Ionization (EI), Chemical Ionization (CI), PCI, NCI
- Mass Analyzer: Single Quadrupole Mass Spectrometer
- Mass Range: 1.2 to 1100 u
- Temperature Range: Inquire
- Ionization Method(s): Electron Impact Ionization
- Mass Analyzer: Time of Flight (TOF)
- Mass Range: Inquire
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