• Compliance issue with MassHunter software

    We observed an error (Refer Attachment) while creating the methods and opening the existing methods. Later on we came to know that, MassHunter software will not work without enabling "DELETE" option. If we enabling th...
    bhargava.jana
    last modified by bhargava.jana
  • ?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
  • Agilent 5975 MSD Autotune Report Readings

    I have couple of questions regarding Agilent 5975 MSD (run on MassHunter) Autotune Report. Please see the attached. It looks like for m/z 69, 219, and 502, there are two sets of data on the report. The Abund and Rel A...
    pcke2000
    created by pcke2000
  •    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
  • error message gcms7890B- 5977B HES

    we bought a new gcms7890B- 5977B HES when we try to do sensitivity test with OFN method the  message apeard  exception has been thrown bytarget of an invocation and we can not know the reasons for this erro ...
    walleed
    last modified by walleed
  • How can I fix: "QQQ fault 3.16 MS2 U+ driver cannot maintain requested mass setting"

    I'm getting a repeating error in my Agilent 7000QQQ logbook:  "QqQ fault detected: 3.15 MS U- driver cannot maintian requested mass setting" which is then cleard and follwed by "QqQ fault detected: 3.16 MS U+ dri...
    jennifer.jones
    last modified by jennifer.jones
  • Software MassHunter Workstation Qualitative Ananlysis

    Gostaria de um auxílio pois ao instalar e depois executar o software MassHunter Workstation Qualitative Ananlysis sempre abre a seguinte mensagem de erro:   Agilent MassHunter Workstation Software Qualitati...
    ulisalves
    last modified by ulisalves
  • Improving GC, GCMS Sensitivity, Dropoff

    If you are having difficulty with drop offs or sensitivity most of the time you can fix them by cleaning the inlet with a gun brush.   If this does not work, you can order the new Inert S/SL inlet parts G3452-6...
    agilent
    last modified by agilent
  • Which Quiet Cover is right for my instrument?

    See attached document that covers quiet cover selection for GCMSD, LCMSD and ICPMSD.     42028
    agilent
    last modified by agilent
  • 7000 A/B abnormal tune ratios

    Abnormal 7000A/B tuning ratios   Normally a fully pumped down thermally stable GCMS QQQ will produce a mid-mass ratio of 80-105%. However it has been seen that these ratios can skew dramatically. FSE’s hav...
    agilent
    last modified by agilent
  • Part Number G3170-80008 Low noise signal wire for the EM

    Part Number G3170-80008 Low noise signal wire for the EM.   Carries signal from rear of EM to sideboard feed through that has the BNC connector to the log amp on the outside.     40807
    agilent
    last modified by agilent
  • 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
  • 5973 5975 source temperature settings

    5973 and 5975 source temperature settings and limits for Electron Impact (EI) Chemical Ionizatinon (CI) Negative Chemical Ionization (NCI)     40528
    agilent
    last modified by agilent
  • Minimum parts needed to add MSD to 6890/7890 (GC Interface parts)

    To add an MSd transfer line to your 6890 you will need to order..... Valve Driver Bracket                     &...
    agilent
    last modified by agilent
  • Using other reagent gases for Chemical Ionization (CI) operation - Applies to 5973A/N MSD

    This document describes the use of reagent gases for chemical ionization (CI) use other than the typical Methane reagent gas. In particular this will describe the use of Isobutane and Ammonia as the reagent gas. Befor...
    agilent
    last modified by agilent
  • Fixing a Corrupt Tune File

    If you suspect a corruption in your MSD tune file, the current process is to delete Inst 1/Add Inst 1. There is a nifty command that may solve this without the hassle. Try the command [freshtune]. This should reset th...
    agilent
    last modified by agilent
  • Hydrogen as a carrier gas in GC QQQ

    There are a number of factors that must be considered when switching from helium to hydrogen as a carrier gas in mass spectrometry.   The first issue is that hydrogen is a reducing agent and it will ‘scrub...
    agilent
    last modified by agilent
  • Agilent 5975 Mass Selective Detector - Hydrogen Safety

    Hydrogen is a commonly used GC carrier gas. Hydrogen is potentially explosive and has other dangerous characteristics. • Hydrogen is combustible over a wide range of concentrations. At atmospheric pressure, hyd...
    agilent
    last modified by agilent
  • GC/MS Spectral Tilting: What It Is and How It Affects Qualitative and Quantitative Data

    That attached explains what is spectral tilting and how it can affect qualitative and quantitative data.     41342
    agilent
    last modified by agilent
  • How to enable or disable the slow start option on the 5977A

    This document will explain how to enable or disable the slow start option on the 5977A - MSD Soft Start Turbo TwisTorr 304 FS.   42161
    agilent
    last modified by agilent