I have recently been doing experiments on the degradation of organic pollutants in soil, in which the content of pollutants was significantly reduced after the addition of a catalyst prepared by myself, how can I tell whether the pollutants were adsorbed by the catalyst or degraded through the action of the catalyst?
One way is to measure the CO2 produced during the process. Another ist to measure TOC of the soil before and after the degradation process, compared to a control experiment with no catalyst.
It looks like the soil is unimportant in the question raised. To distinguish the adsorbed pollutant from the degraded one, one may perform extraction of sorbed material from the catalyst, following with chromatography of the extract. This way it may be possible to quantify the initial adsorbing pollutant and possibly the degradation products
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