Abstract
Computer programs have been written which significantly increase the storage capabilities of a low-cost gas chromatography—mass spectrometry (GC-MS)-calculator system. These programs convert raw selected ion monitoring (SIM) data to a more compact form and allow the storage of fourteen 60-min GC-MS analyses on disks which were previously limited to four analyses. SIM data can be displayed by means of an interactive program which uses an x- y plotter. The total ion current and mass chromatograms generated during operation of the GC-MS system in scanning mode can be displayed on the same plot as SIM analyses with this versatile program. In addition, the sum of SIM ion abundances, analogous to a scan run total ion current trace can be displayed or integrated. The software was used in a GC-MS analysis of organic compounds extracted from a ground water leachate sample taken at a municipal dumpsite.
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