We shall study components of mass spectrometry (MS) in detail. A simplified scheme of mass spectrometry (MS) and MS-MS (tandem mass spectrometry) is shown in Fig 2)

A simplified scheme of MS-MS

Figure 2: A simplified scheme of mass spectrometry and Tandem mass spectrometry (also called MS MS). In MS-MS, after first analyzer, analytes are fragmented and fragments are analyzed in second analyzer.