I would like to identify the compounds with an unpleasant odor arising in the wastewater treatment plant and sorting of garbage
business. I assume that it will be mainly the sulfur compounds, volatile amines and hydrogen sulfide. Chemically, the concentration of these compounds is very high, therefore the most important thing is to take and concentrate the sample. I would like to make an HPLC determination.Is this possible? Please advise a literature with practical procedures. Thank you very much in advance.
it seems to be highly contaminated air sample . In addition to detailed chemical / Gas study, it is suggested to do GC-MS analysis of suspended particulate materials.
You are right, most likely you will have primarily compounds with sulfur and amines (and maybe small chain hydrocarbons). I would advise you to use GC-MS for your study. Some years ago we did something similar in the lab I was working. We tracked mercaptanes, H2S and amines in air samples from a domestic wastewater treatment plant (not sure if the work is published).
- Air samples were collected in tedlar bags and the recovery of the compounds of interest was assessed (some adsorption to the bags should be expected).
- We extracted the analytes with SPME (CAR/PDMS) and analysed them by GC-MS on EI mode. LoQs of low ppb (mol/mol) were achieved.
I know there are SPME systems compatible with LC, but never used them. Maybe you can try to check these out?
Nevertheless, I think GC-MS will be your best bet.
Cheers
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