• Extraction Source (G3870-67720 - XTR EI 350) 219 ion

    I'm new to extraction sources (G3870-67720 - XTR EI 350) I've been told it's preferable for a tune to have a 219 response higher than the 69 on this source type.   It seems after cleaning about 1 in 3 hit this r...
    jmarshall
    last modified by jmarshall
  • ?a new problem with front inlet shutdown in high efficient GCMS

     Dear colleagues      we encountered a new problem with front inlet shutdown in high efficient GCMS , the inlet itself appear OK before the beginning of run method and still OK during syringe ...
    walleed
    created by walleed
  •    the library search score for a compound is different with different instrument

      .the library search score for a compound is different with different instruments nowadays,in my work we have different types of gc-ms, we bought new gcms 7890B- 5977B HES , when comparing the result of the same...
    walleed
    last modified by walleed
  • MS Workstation 7.0.1 - Suspended Automation (Help!!)

    Hi, I having troubles in making a sequence in the 240 Ion Trap and 7890A GC. The MS Workstation suspends the automation with these messages. What could be causing this problem?  
    dflores
    last modified by dflores
  • Metal Polish for Ion Source

    It was a few years ago, but I did a trouble shooting and maintenance course with Agilent where we used Metal Polish (Autosol) as apposed to the Aluminium Oxide. I've since done this for 10 years, joining a new compan...
    jmarshall
    last modified by jmarshall
  • Common MSD Contaminants

    Common MSD Contaminants from the 5975 Series MSD Troubleshooting and Maintenance Manual.
    ryan_ohearn
    last modified by ryan_ohearn
  • UPS Recommendation for Agilent MSD

    UPS Systems - For use on GC/MS Systems Agilent Technologies does not recommend the use of a UPS or other isolation devices to supply power to a GC, GC/MS or ICP-MS system. These instruments present a highly varying l...
    agilent
    last modified by agilent
  • Nitrogen in New Indicating Gas Traps

    Nitrogen in New Indicating Gas Traps
    ryan_ohearn
    last modified by ryan_ohearn