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Crushing, weighing and running carbonate samples require a significant portion of time. During the initial discussion of the sampling protocol the scientists will decide where they want to take the sample(s) for the carbonate/EA analyses. It can be taken from the IW squeezecake and/or at the sample table after the core is split. Either way, these samples will have to be freeze-dried (typically for twelve hours) and then crushed/homogenized using a mortar and pestle. Usually the scientists will prepare and run the analyses, and the technician will set up the system and both scientists and technicians will weigh and run the analysis.
CHNS
Again, weighing and running the samples on this instrument is time-intensive and it be best to have a good sized batch ready before running. Usually the scientists will weigh out the samples and the technician will set up the instrument and sequencessystem and both scientists and technicians will weigh and run the analysis. Replace the combustion column after approximately 100 samples.
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