LCGC North America
The authors describe a new instrumental method for determining phthalate esters using positive chemical ionization and retention-time locking GC.
Evaluating the Accuracy of Mass Spectrometry Spectral Databases
May 12th 2025Mass spectrometry (MS) can be effective in identifying unknown compounds, though this can be complicated if spectra is outside of known databases. Researchers aimed to test MS databases using electron–ionization (EI)–MS.