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Stable Isotope Labotartory at University of Eastern Finland offers an Isotope Ratio Mass Spectrometer (DELTAPLUSXP®, Thermo Co.) for natural abundance and enriched samples of 13C/12C and 15N/14N. The mass spectrometer is equipped with Flash EA, GC-C TA III (compound specific and gas analysis) and pre-concentration unit. SIG laboratory has also Picarro G2201-i Isotopic Analyzer for measuring δ13C for CH4 and CO2.