Gas Chromatography Isotope Ratio Mass Spectrometer (GC IRMS)
Gas Chromatography Isotope Ratio Mass Spectrometer (GC IRMS)
Gas Chromatography Isotope Ratio Mass Spectrometer (GC IRMS)
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Difference of <strong>Isotope</strong> <strong>Ratio</strong>sδ 13 C < 0abundanceMethylbenzoate ester(Peak 5)gtimePeak Nr.δ 13 C5 -27.184•there is less 13 C in thesample than in thestandard compoundδ 13 C = 0• both amounts of 13 C areequalδ 13 C > 0• there is more 13 C in thesample than in thestandard compound
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