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Frequently Referenced FAQ

Latest FAQ

FAQ within [ Troubleshooting ]

1-10 of Total 19

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  • Background level/Noise level is too high (LCMS)

    The following factors and solutions are possible.(Please check from the top) 1. Cleaning the Lens. Click here for How to check for lens problems. 2. ... Show Detail

    • No：3316
    • Date of Issue：2020/11/13 10:16

  • Poor repeatability (LCMS)

    The following factors and solutions are possible.(Please check from the top) 1. Cleaning the Lens. Click here for How to check for lens problems. 2... Show Detail

    • No：3318
    • Date of Issue：2020/11/13 10:16

  • Decrease in sensitivity (LCMS)

    The following factors and solutions are possible.(Please check from the top) 0. Auto-Tuning. Click here for Points for Auto-Tuning necessity. 1. Repl... Show Detail

    • No：3320
    • Date of Issue：2020/11/13 10:16

  • Points for Auto-Tuning necessity (LCMS)

    Auto-tuning is often implemented simultaneously in the following maintenance. There is a case that decreased sensitivity is solved only by auto-tuning. In au... Show Detail

    • No：3304
    • Date of Issue：2020/11/13 10:17
    • Last Updated：2020/12/02 08:53

  • How to check for lens problems (LCMS)

    As a result of contamination, it may not be possible to apply optimum voltage, which may decrease the ion transmittance. In addition, contamination of the mu... Show Detail

    • No：3305
    • Date of Issue：2020/11/13 10:18
    • Last Updated：2020/12/02 08:55

  • How to check for DL problems (LCMS)

    Contamination inside the DL tube will cause deterioration of solvent removal (ionization) or decrease in ion transmittance. When there is a blockage in the D... Show Detail

    • No：3308
    • Date of Issue：2020/11/13 10:19

  • How to check for ESI Pipe problems (LCMS)

    As a result of contamination inside the ESI pipe, adsorption of the sample will occur and/or optimum high voltage will become unable to be applied. These phe... Show Detail

    • No：3309
    • Date of Issue：2020/11/13 10:22
    • Last Updated：2020/12/02 09:46

  • How to check for ESI Probe and Nozzle problems (LCMS)

    Contamination of ionization unit of the ESI probe will cause a decrease in ionization efficiency and/or deterioration of the spray state due to adhesion of... Show Detail

    • No：3310
    • Date of Issue：2020/11/13 10:24

  • How to check for Heater block and Sampling Cone problems ...

    Contamination around the heated block and/or sampling cone will cause adsorption of the sample and/or inhibition of ionization due to impurity ions. The cont... Show Detail

    • No：3311
    • Date of Issue：2020/11/13 10:26
    • Last Updated：2020/12/02 09:47

  • How to check for Orifice problems (LCMS)

    Contamination of the orifice will cause adsorption of the sample and/or inhibition of ionization. «Confirmation» Overall decrease in sensitivity. In ca... Show Detail

    • No：3312
    • Date of Issue：2020/11/13 10:27

1-10 of Total 19

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