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Current challenges in compound-specific stable isotope analysis of environmental organic contaminants.
Anal. Bioanal. Chem. 403, 2471-2491 (2012)
Compound-specific stable-isotope analysis (CSIA) has greatly facilitated assessment of sources and transformation processes of organic pollutants. Multielement isotope analysis is one of the most promising applications of CSIA because it even enables distinction of different transformation pathways. This review introduces the essential features of continuous-flow isotope-ratio mass spectrometry (IRMS) and highlights current challenges in environmental analysis as exemplified for the isotopes of nitrogen, hydrogen, chlorine, and oxygen. Strategies and recent advances to enable isotopic measurements of polar contaminants, for example pesticides or pharmaceuticals, are discussed with special emphasis on possible solutions for analysis of low concentrations of contaminants in environmental matrices. Finally, we discuss different levels of calibration and referencing and point out the urgent need for compound-specific isotope standards for gas chromatography-isotope-ratio mass spectrometry (GC-IRMS) of organic pollutants.
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Publication type
Article: Journal article
Document type
Review
Keywords
Gas Chromatography-isotope-ratio Mass Spectrometry; Isotope Fractionation; Groundwater Contamination; Pollution Source; Transformation Pathways; Isotope Standard; RATIO MASS-SPECTROMETRY; PERFORMANCE LIQUID-CHROMATOGRAPHY; 2-DIMENSIONAL GAS-CHROMATOGRAPHY; IN-SITU DEGRADATION; CHLORINATED ETHENES; REDUCTIVE DECHLORINATION; ANAEROBIC BIODEGRADATION; NITROAROMATIC COMPOUNDS; AROMATIC-HYDROCARBONS; DERIVATIZATION METHOD
Language
Publication Year
2012
HGF-reported in Year
2012
ISSN (print) / ISBN
1618-2642
e-ISSN
1618-2650
Quellenangaben
Volume: 403,
Issue: 9,
Pages: 2471-2491
Publisher
Springer
Publishing Place
Heidelberg
Reviewing status
Peer reviewed
Institute(s)
Institute of Groundwater Ecology (IGOE)
POF-Topic(s)
20403 - Sustainable Water Management
Research field(s)
Environmental Sciences
PSP Element(s)
G-504390-001
PubMed ID
22302163
WOS ID
WOS:000305228600005
Scopus ID
84863774918
Erfassungsdatum
2012-07-05