Saturn 2000 Agilent Gas Chromatograph / Mass Spectrometer

The Agilent / Varian Saturn 2000 GC/MS has four principal components, Gas chromatograph (GC), Mass spectrometer (MS), Data system (DS), AutoSampler (optional). The AutoSampler sits on top of the GC. A fused silica capillary column in the GC passes through the transfer line directly into the ion trap assembly. Samples are injected either manually or via the AutoSampler onto the capillary column through the GC injection port. The gas chromatograph then separates the sample molecules. Effluent from the GC passes through the transfer line and into the ion trap. The sample molecules next undergo electron or chemical ionization before being analyzed according to their mass-to-charge ratios. The ions are detected by an electron multiplier, which produces a signal proportional to the number of ions detected. The electron multiplier passes the ion current signal to the system electronics, which in turn amplify the signal, digitize the result, and pass it on to the data system for further processing and display.

The Saturn GC/MS employs the high performance Varian Model 3800 or 3900 Gas Chromatograph. The gas chromatograph comes with a 1079 or 1177 Universal Capillary Injector which provides five modes of injection - isothermal split and splitless, temperature-ramped splitless, on-column and large volume. For further details about the GC, please see the Varian 3800 Gas Chromatograph Getting Started Manual (03-914647-00) and the 3800 GC Operator's Manual (03-914648-00). The Saturn GC/MS employs an ultra trace ion trap mass spectrometer. The mass spectrometer consists of the mechanical and electronic assemblies.

The ACTIVE FILM Multipliers for the Varian Saturn 2000 ion-trap mass spectrometer is specifically designed for this instrument. It is a direct "plug-in" replacement electron multiplier and is fully compatible with Varian hardware and "Multiplier Setup" software.

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