Optimization of suspect and non-target analytical methods using GC/TOF for prioritization of emerging contaminants in the Arctic environment
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- Optimization of suspect and non-target analytical methods using GC/TOF for prioritization of emerging contaminants in the Arctic environment
- Other Titles
- 비표적분석법을 이용한 북극 신규오염물질 분석법 최적화
- Non-target; OPFR; Prioritization; Siloxane; Suspect
- Issue Date
- 이성규, et al. 2019. "Optimization of suspect and non-target analytical methods using GC/TOF for prioritization of emerging contaminants in the Arctic environment". ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 181(1): 11-17.
- Numerous chemicals have been manufactured from industrial activities and used as consumer products since the late 18th century.
Non-target analysis is a new analytical tool to detect many chemicals in
environmental samples and to prioritize emerging contaminants. In this
study, the suspect and non-target analytical methods were optimized using
a gas chromatography coupled to time-of-flight (GC/TOF) to propose
contaminants of emerging concerns for the Arctic environment. Suspect
analytical method was developed with qualification and qualifier ions,
isotopic ratio, and retention time of 215 contaminants including
persistent organic pollutants (POPs) to establish in-house library. Nontarget
analytical method was also optimized with deconvoluted ion
chromatogram, which is a possible form to match the mass spectrum of the
NIST library. Multiple environmental samples such as seawater, air, soil,
sediment, sludge, and sea ice collected from the Arctic region were
analyzed with suspect and non-target analysis of GC/TOF after the cleanup
procedure of solid phase extraction (SPE) cartridge. The commonly
detected contaminants in the Arctic environmental samples were siloxanes,
organophosphate flame retardants, phthalates, synthetic musk compounds,
polychlorinated biphenyls, and polycyclic aromatic hydrocarbons. Among
them, siloxanes and OPFRs were proposed as contaminants of emerging
concerns for the Arctic environment. This is the first report to
prioritize emerging contaminants in the Arctic environment with suspect
and non-target analysis of GC/TOF.
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