Isotope Ratio Mass Spectrometry (IRMS)

Enabling pioneering discoveries in geoscience and enhancing the reliability of analytical solutions

For decades, innovative Thermo Scientific isotope ratio mass spectrometers have helped geoscientists gain new insights into the application of isotope ratio analysis in the earth and environmental sciences, enabling them to make exciting pioneering discoveries and to overcome difficult analytical challenges. Isotope ratio mass spectrometers have also helped laboratories in the fields of food and doping analysis, providing trustworthy analytical results.

Browse our complete portfolio below, or let one of our experts help you tailor a selection specific to your application and workflow needs.

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Popular IRMS products

Featured IRMS categories

Measure isotopic signatures with extreme precision and sensitivity to provide unique insight into the history and origin of compounds.

Use portable and field-deployable mid-infrared spectroscopy for real time continuous measurement in a wide variety of applications including greenhouse gas monitoring.

Select from our unique portfolio of noble gas mass spectrometers to obtain reliable analytical results in the fields of geochronology, dating , and thermochronology.

Automate your research by managing instrument control, data acquisition, data processing and report generation from one easy software platform on the IRIS instruments, high resolution IRMS and noble gas mass spectrometers. 

Perform accurate and reliable quantitative multi-element analyses at trace levels, even without sample preparation.

Meet the demands for high-precision isotope ratio measurements in geosciences.

Become an Isotope hunter
Become an Isotope Hunter! Attend the Isotope Fingerprints e-learning series.

In this e-learning series you will get an introduction to Isotope Fingerprints and will learn more about:

  • What are Isotope Fingerprints?
  • How is an Isotope Fingerprint detected?
  • Where can Isotope Fingerprints be applied?
  • What are examples of Isotope Fingerprint applications for food integrity, environmental forensics, criminal forensics, doping control, etc…


Discover the world of isotopes – Learn more


  • Isotope Fingerprints eLearning Series