Dear colleagues,
I am looking for some support in the identification of the MS-spectra of two unknown peaks detected in a GCMS multiresidue pesticides analyses of an extract of a water sample taken in an agricultural area. The extraction was done by Solid Phase Extraction (ENV+ Isolute).
The spectra not were not clearly identified by searching in the NIST-17 MS database.
The spectra are in the attached PDF-file. The highest peak was the one with MS-spectrum-1 (ret. time 37.5) and a smaller peak with MS-spectrum-2 (ret. time 25.1) that looks like a metabolite. I would say both contain several Cl atoms.
Who could help us with identification of the attached MS-spectra? Thanks in advance.
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