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Figure 9: Typical PFD chromatogram. Cis-isomer elutes around 10.1 min, Trans-isomer 10.36 and the contaminant peak around 11.1 minutes. Expeditions 398, 399 and 400 used the Cis-isomer for PFD.
Analytical Batch
The analytical batch is a group of samples run together with a single set of QC parameters, such as calibration/calibration verification, blank, and other QA/QC samples.
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