Gas Chromatograph / Mass Spectrometer
HP 5890 GC and HP 5989A MS with an Apolo 400 Unix computer, in an integrated system, operated by the HP data system. It also has a thermal desorption solids probe. The MS has unit mass resolution up to 600 amu. The operating system also has the NBS 54K spectra library for compound identification. The instrument is used for a wide range of analyses of pesticides, solvents, environmental samples and organic mixtures.