Combining Selected Ion Monitoring (SIM) with Isotope Dilution in Electron-Ionization

question 14

Multiple Choice

Combining selected ion monitoring (SIM) with isotope dilution in electron-ionization mass spectrometry allows:

• A)for the removal of extraneous ions that produce complicating peaks in the mass spectrum
• B)for quantification utilizing an internal standard
• C)for confirmation of results obtained by electron-ionization mass spectrometry alone
• D)for quality control checks on the mass spectrometry procedure

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