The latest version of the Pyroprobe from CDS Analytical includes easier sample preparation and introduction with the new DISC (Drop In Sample Chamber) coupled with DISC sample tubes, and an add-on conveyor fed autosampler module.
A CDS 6000 Series Pyroprobe Autosampler was interfaced to a GC-MS for these analyses. Samples were prepped in DISC tubes, which easily handle both liquid and solid samples without the need for quartz wool. They were then heated inside a DISC using the platinum coil of the Pyroprobe. The resulting volatiles were transferred via a transfer line to the gas chromatograph for analysis. The gas chromatograph was equipped with a 30M 5% phenyl column, which was held at an initial temperature of 40°C for 2 minutes, then ramped at 10°C per minute to a final temperature of 300°C, which was held for 10 minutes. The detector was set to scan from 25 to 600 amu. Figure 1 shows an example of the resolution achieved in the analysis of a sample of Poly t-butyl styrene.
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