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  1. Mass Spectrometry

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    The origins of mass spectrometry can be traced to the late 19th and early 20th centuries. Early experiments involved the study of "canal rays," positively charged ions moving through perforated cathodes in gas discharge tubes. J.J. Thomson's work in 1897, using electric and magnetic fields to separate these rays, established the initial framework for measuring $\frac{m}{q}$ [2]. Thomson's apparatus, which he termed the "paraelectrical tube," demonstrated that positively charged atoms of different [elemen…

  2. Mass Spectrometry

    Linked via "ion source"

    Fundamental Components
    A typical mass spectrometer consists of three essential components, arranged sequentially: the ion source, the mass analyzer, and the detector.
    Ion Source

  3. Mass Spectrometry

    Linked via "ion source"

    Ion Source
    The purpose of the ion source is to convert neutral sample molecules into gaseous ions. The method chosen depends heavily on the sample's state (gas, liquid, or solid) and its chemical nature.
    Hard vs. Soft Ionization