Geosciences institute (IGN) at University of Copenhagen wishes to acquire a Isotope Ratio Mass Spectrometer (type: DELTA V Advantage Mass Spectrometer with Kiel IV device and Dual inlet system) for the isotope laboratory at the Department of Geosciences and Natural Resource Management, for High-precision carbon and oxygen isotope analyses on very small carbonate samples (including microfossils such as planktonic and benthic foraminifers and microbrachiopods).