氣相層析質(zhì)譜儀-瓦里安科技-wenkub
2023-05-28 01:32:12 本頁面
【正文】 Presearch ? Step III: Main Search With Full Spectra — fit — reverse fit — purity Library Search Sample Reference Difference Search Result Compound Identification: Structure Information From MS ? Molecular Ion Formation ? Molecular Fragmentation C6H5CH2CH3 + e C6H5CH2CH3+(m/z 106) + 2 e C6H5CH2CH3 + e C6H5CH2+(m/z 91) C6H5CH2CH3 + e C6H5+(m/z 77) Compound Identification Structure Mass Spectra Name 定量 Quantitation: Preparation of Calibration File ? Prepare Reference Standards ? Acquire Data Files for Each Standards ? Identify Compounds and Retention Times ? Build Calibration File — Add Points to Calibration Files — Examine and Edit Calibration File Quantitation ? External Standard ? Internal Standard Quantitation By GC/MS Area Amount Single point Calibration Area Amount Multipoint Calibration Response= Areastandard Amountstandard Amountunknown= Areaunknown Response External Standard Quantitation Internal Standard Quantitation Compound Table SatView Build Compound Table Compound Table . Compound Name Quantum
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