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University of Wisconsin–Madison

Mass Spectrometry / Proteomics Facility

IRMS Rates

To our prospective clients - UW Biotechnology Center staff are currently working at home until further notice per University guidelines regarding COVID-19. We ask that you refrain from sending or dropping off samples until further notice. We apologize for the delay in service.
To our current clients - Thank you for your patience as we work to complete your projects. Expect delays of 2 or more weeks as we follow University guidelines regarding COVID-19.


Internal UW Rate External Rate

18O (IRMS)

$30.89 $47.26


$32.50 $49.73

2H and 18O via CRDS available for water
samples only, please inquire


13C in CO2

$11.72 $17.93

13C & 15N in Dry Matter*

$16.26 $24.89

Consumables Fee

$216 $330

Urinary Nitrogen

$22.26 $34.05

Bomb Calorimetry

$35.27 $53.97

Consulting (per hour)

$91.70 $140.29
  • *Discounts available if sample is received instrument-ready.
  • Prices above do not include fees for internal quality control standards.