Fig. 1 | Analytical and Bioanalytical Chemistry

Fig. 1

From: Perfluorinated compounds (PFCs) in groundwater and aqueous soil extracts: using inline SPE-LC-MS/MS for screening and sorption characterisation of perfluorooctane sulphonate and related compounds

Fig. 1

Ion traces of the chromatogram a the six compounds spiked in groundwater to level 100 ng/l and b a blank groundwater sample. The scale of the ion traces in part b has been amplified relative to traces in a, as indicated for each trace. The injection volume was 1 ml on the inline SPE

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