Stable Isotope Laboratory Instruments & Capabilities

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High-Resolution & Clumped-Isotope Analysis

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  • Instruments: Two Nu Instruments Perspective IS Isotope Ratio Mass Spectrometers (IRMS).
  • Specialty: Capable of high-resolution, clumped-isotope analyses of O2
  • Applications: Automated clumped-isotope measurements of O2 in ambient air, O2 in dissolved in seawater, and O2trapped in ancient ice cores.

 

Triple-Oxygen & Laser Fluorination

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  • Setup: Custom-built semi-automated laser-fluorination + purification line.
  • Specialty: High-precision measurement of triple-oxygen isotopes in silicate and oxide minerals.

 

Orbitrap Isotope Ratio Mass Spectrometry

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  • Instruments: Thermo Scientific Exploris 120
  • Specialty: Comprehensive bulk and position-specific isotope analyses of oxyanions and small organic compounds
  • Matrices: A wide variety of natural organic and inorganic materials.

 

Continuous-Flow Biogeochemistry

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  • Instruments: Thermo Scientific Delta V Plus IRMS with peripherals
  • Specialty: Continuous-flow analyses of bulk C/H/N/O/S isotopes for solids and liquids (FLASH HT Plus Elemental Analyzer, combustion/pyrolysis); Bulk C/O isotopes of carbonate and DIC (Gas Bench II), compound specific CNH isotopes of natural gases, long chain hydrocarbons, amino acids (Trace GC 1610).
  • Matrices: A wide variety of natural organic and inorganic materials.

 

Cavity-Ringdown Spectroscopy

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  • Instruments: Picarro L2120-i
  • Specialty: H and O isotope ratios in water

 

Support Facilities: Mention the custom high-vacuum sample-handling lines dedicated to offline sample preparation, wet chemistry room, freeze dryer, oven, centrifuge, micro-balance, glove chamber

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