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Instructions for Sample Submission

Samples can be submitted to the mass spec lab (room 1238, Hach Hall) anytime between 9 am and 6 pm, Monday through Friday. Submission forms can be retrieved from the mass spec lab, yellow or green. Samples are to be submitted in screw cap vials with teflon septa to avoid any contamination. For solids the amount needed for EI or CI experiments is usually less than a ug. For GC/MS requests, we suggest an amount of 0.1 ml with a concentration of about 500 ng/ul of material. For ESI and some special experiments, please consult with the mass spec personnel. A GC and LC trace is strongly preferred when requesting GC/MS ans LC/MS experiments. High resolution experiments will be performed more effectively if the corresponding low resolution spectrum is first obtained. It is highly recommended to submit a copy of the low resolution data (If available) and specify which ions are of interest. This will tell us which peaks manual peak matching is to be performed. If the molecular ion is not observed, look at the low resolution data and pick some peaks that you believe are fragments.

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