• How to develop SIM method for 50 ions in Agilent 7890-5977A?

    Hi, I am using Agilent 7890 with 5977A mass spectrometer. I am trying to develop a SIM method for 50 ions. But, it is showing that I can not do it as it exceeds more than 20 ions. Can you suggest me how can I do it? I...
    chiranjit.phd
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