Mass Spectrometry (MS) 串 Sample vaporized and bombarded by energetic electrons that remove an electron,creating a cation-radical Bonds in cation radicals begin to break (fragment RH RH+: 十 Organic Cation molecule radical Thomson-Brooks Cole Mass Spectrometry (MS) ❖Sample vaporized and bombarded by energetic electrons that remove an electron, creating a cation-radical ❖Bonds in cation radicals begin to break (fragment)