We started the week by sequestering all the CERES/OSU samples from retrieval 2 and prepping for extraction of retrieval 3 PSDs. RBFs were collected and cleaned with boiling hexanes in a Soxhlet setup (80% RBF volume of hexanes boiled for 30 minutes, two times). We cleared the work area of all material and wiped the countertop with acetone. The inlets on the GC were changed. The back inlet had extensive septum material on it. The injector tower on the back inlet was borrowed from the lab’s GC-MS unit. The syringe may not be in good shape compared to that of the new tower on the front.
Cheikh also worked on building the calibration curve for the GC based on the standards that had been run Oct 4th.
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