• Service and maintenance for Shimadzu, Sciex, and Agilent

    Instrument Maintenance

    We Service and repair Shimadzu and Sciex LCMS, as well as Agilent LC/GC.

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  • Lab Solutions

    CQ specializes in LCMS method development and lab consulting.

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  • Instruments for Sale

    We sell certified refurbished Shimadzu and Sciex LCMS systems with warranty.

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  • AI Lab Consulting Services

    Let us help you take advantage of AI in your lab.

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  • Method development in the modern data environment

    Method development in the modern data environment

    Discussion of how data can be used for a more modern approach to method development.

    Method development in the modern data environment

    Discussion of how data can be used for a more modern approach to method development.

  • Contamination or Carry Over

    Contamination or Carry Over

      On the topic of things I am seeing in LCMS clinical labs is the lack of differentiation between carryover, and interferences caused by system contamination or sample contamination. I...

    Contamination or Carry Over

      On the topic of things I am seeing in LCMS clinical labs is the lack of differentiation between carryover, and interferences caused by system contamination or sample contamination. I...

  • Charging Effect

    Charging Effect

    It is not uncommon for customers to have a good tune report on an LCMS or GCMS but still have poor results with their samples.  One thing to keep in...

    Charging Effect

    It is not uncommon for customers to have a good tune report on an LCMS or GCMS but still have poor results with their samples.  One thing to keep in...

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