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Organic Geochemistry Research Laboratory

Liquid Chromatography/Mass Spectrometry (LC/MS/MS)

A benchtop triple stage quadrupole mass spectrometry system (LC/MS/MS) is used for research and development of new methods. This instrument includes the following:

    • Z-Spray atmospheric pressure ionization LC/MS interface
    • Precision engineered analizer of mass range 2-2000 amu
    • Positive and negative ionization capability
    • Coaxial probe for low flow rate electospray operation
    • MassLynx instrument control and data acquisition interface

A new highly sensitive high performance bench top triple quadrupole Atmostpheric Pressure Ionization (API) Liquid Chromatography/Mass Spectrometry system (LC/MS/MS) was added to the laboratory in 2006. This instrument includes the following:

    • TURBO V (TM) ion source which contributes to low sensitivity and eliminates cross-contamination
    • PhotoSpray(TM) ion source which expands the range of compounds that can be analyzed
    • LINAC (TM) collision call which ensures for the maximum ion transfer in MS/MS mode
    • Analyst (TM) software which includes the InteliiQuan integration system
LC/MS/MS analyses performed by the Organic Geochemistry Research Laboratory are as follows:
  • Antibotics and Degradation Products (LCAB)
  • Glyphosate, AMPA, and Glufosinate Online (LCGY)
  • Antibiotic soils and sediments (LCAS) - Custom request basis only
  • Glyphosate soils and sediments (LCGS) - Custom request basis only

Selected LC/MS/MS References

  1. Ferrer, Imma, Thurman, E.M., 2003, Liquid Chromatography/Mass Spectometry, MS/MS and Time-of-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850, 415 p.

  2. Ferrer, Imma, Furlong, E.T., Thurman, E.M., 2003, Identification of Homoloogue Unknowns in Wastewater by Ion Trap MSn in Liquid Chromatography/Mass Spectometry, MS/MS and Time-of-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850, p. 376-393

  3. Ferrer, Imma and Thurman, E.M., 2003, Analysis of Emerging Contaminants in Liquid Chromatography/Mass Spectometry, MS/MS and Time-of-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850, Ferrer and Thruman, eds, Chapter 1, p. 2-3

  4. Furlong, E.T., Ferrer, Imma, Gates, P.M., Cahill, J.D., and Thurman, E.M., 2003, Identification of Labile Polar Organic Contaminants by Atmospheric-Pressure Ionization Tamdem Mass Spectrometry: in Liquid Chromatography/Mass Spectrometry, MS/MS and Time-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850, p. 175-177

  5. Lerch, R.N., Ferrer, Imma, Thurman, E.M., and Zablotowiez, R.M., 2003, Identification of Trifluralin Metabolites in Soil Using Ion-Trap LC/MS/MS: in Liquid Chromatography/Mass Spectometry, MS/MS and Time-of-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850, p. 291-310.

  6. Thurman, E.M., Ferrer, Imma, Furlong, E.T., 2003, TOF-MS and Quadrupole Ion-Trap MS/MS for the Discovery of Herbicide Degradates in Groundwater: in Liquid Chromatography/Mass Spectometry, MS/MS and Time-of-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850,p. 128-144.

  7. Vargo, J.D., Lee, E.A., and Fuhrman, J.D., 2003, Interlaboratory Comparison and Validation of Methods for Chloroacetanilide and Chloroacetamide Soild Degradates in Environmental Waters: in Liquid Chromatography/Mass Spectrometry, MS/MS and Time-of-Flight MS: Analysis of Emerging Contaminants. American Chemical Society Symposium 850, p. 273-290.

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