ICSE Analytical Equipment
The analytical equipment available through ISCE and its university partnerships include chromatography/mass spectrometry, optical diagnostics, nuclearmagnetic resonance capabilities, and a variety of instrumentation for measuring emissions and properties of materials in combustion, gasification, and ambient environments. Much of the instrumentation has been specially developed at the University of Utah or in collaboration with external partners. In addition, the analytical group has comprehensive capabilities in measurement and characterization of particulate matter.
ICSE’s instrumentation includes two FTIR spectrometers, five ion mobility (GC/IMS) spectrometers,three thermogravimetry systems (including a TGA/DSC/MS, and two high-pressure analyzers), four gaschromatographs (GCs), two Varian micro GCs, one high-performance liquid chromatograph (HPLC), onesimulated distillation analyzer, one vapor pressure osometer, rhemotors, one CHNS analyzer, onenear-infrared spectrometer, and specialized facilities for laser probe analysis, infrared microscopy,aerosol generation, aerosol characterization, and advanced computer graphics plus modeling. ICSEresearchers pioneered a thermal-desportion GC/MS technique that requires small amounts of sample andenables us to identify the composition of aerosols collected during short time periods. In addition,our current flame diagnostic capabilities include: high-speed laser extinction, high-speed,visible-spectrum emission spectroscopy, high-speed Raman spectroscopy and particle image velocimetry.
ICSE has a comprehensive suite of particle characterization capabilities that complement our laboratory and pilot-scale reactors and provide detailed size and composition information. We also have experience characterizing field sources of aerosols including rocket motors, jet engines, agricultural burns, and brick kilns along the U.S.-Mexico border. Our capabilities include:
- Two TSI scanning mobility particle sizers (one long differential mobility analyzer, one nano-differential mobility analyzer), for particle size distributions of aerosols in the 3 nm–1 micron range
- One TSI aerosol particle sizer for aerosol diameters of 0.6mm–20 mm
- One Desert Research Institute photoacoustic analyzer for measuring real-time black carbon concentration
- One Micromeritics TriStar surface area analyzer for measuring BET surface area and pore size distribution
- One Rupprechet & Patashnick tapered element oscillating microbalance
- One GRIMM Model 1.108 15 channel real-time aerosol spectrometer for measuring particle counts and particle mass
- Two Berner low-pressure impactors for the size-segregated collection of 30 um–25 mm particles
- Two TSI DusTrak nephelometers for measuring PM10, PM2.5 or PM1 mass
- Several optical particle counters
- Two Andersen impactors and one MOUDI impactor
- One thermophoretic aerosol-sampling probe
ICSE gas-phase analyzers include:
- Speciated mercury measurements with a Tekran 2537A mercury analyzer and wet-chemical conditioning system
- Total mercury concentration with a CavKit PSA 10.534 analyzer
- Total hydrocarbons with a VIG Industries FID Model 20
- CO/CO2 with several California Analytical nondispersive infrared and Nova analyzers
- NOx species, specifically NO, NO2 and overall NOx, with several Thermoelectron chemiluminescent analyzers
- O2 with one Yokogawa Electric Corp. zirconia and one Rosemount oxygen analyzer
- SOx with one California Analytical and one Western Research analyzer
- CO, CO2, CH4, and O2 with a California Analytical instrument
- CO/CO2/CH4/H2 with a Nova 7904CM
- Two Varian Micro-GCs
ISCE capabilities include: particle imaging velocimetry, particle tracking velocimetry, particle shadow velocimetry, optical flow velocimetry, in-situ particle sizing, high-speed imaging (up to 200k FPS), high-speed IR imaging (up to 500 FPS), particle temperature measurement, and radiation measurement at arbitrary wavelengths. We have been employing these diagnostic techniques in the challenging environments of pilot-scale coal combustion flames.
Nuclear magnetic resonance
ICSE has access to one solid-state NMR and the University of Utah’s Chemistry department has several liquid instruments. The solid-state instrument is a 100 MHz Chemagnetics (Varian) CMX two-channel spectrometer with a 7.5 mm reduced carbon background probe. This instrument is used almost entirely for the analysis of fossil fuels or other amorphous carbonaceous materials.