In this technique, a substance is first volatilized and then ionized with the help of a high energy beam of electrons. The gaseous positive ions, thus formed, are separated based on their masses to charge ratio (m/e) and then recorded in the forms of peaks. Mass Spectrum is the plot of data in such a way that (m/e) is plotted as abscissa (x-axis) and the relative number of ions as ordinate (y-axis).
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An ion is a charged atom. It is charged because the number of electrons does not equal the number of protons in the atom or molecule.
Continue Reading What is Ion? Definition, Formation, Cation, Anion