https://www.selleckchem.com/pr....oducts/Acetylcholine
g. 20.3 μg L-1 of 4-chloro-3-nitrobenzotrifluoride in 2017) as well as at large distance (e.g. 22.4 μg L-1 of 3N4CBTF and 12.5 μg L-1 of 4-chlorobenzotrifluoride in 2018). The results of BTFs monitoring campaigns carried out in 2008-2009 and 2017-2018 are compared and related to the historical data to assess the overall occurrence and distribution of BTFs contamination over a time range of ∼40 years. Remarkably, BTFs were still found (2018) at μg L-1 range. Spatial and temporal occurrence of BTF and BTFs in groundwater ha
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