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Updated: Jul 12, 2026

High-Temperature and High-Pressure In situ Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
Published on: October 9, 2020
Apparatus for studies of high-temperature chemical reactions in single particle systems
Timothy A Andrzejak1, Evgeny Shafirovich, David G Taylor
1School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA.
Abstract:
We report a compact microgravity flight apparatus for characterization of high-temperature chemical reactions in single particle systems. The apparatus employs an infrared CO(2) laser to ignite 1-5 mm samples while video images, thermocouple measurements, laser on/off status, and XYZ accelerometer signals are synchronously recorded. Different operating modes permit preignition quenching, ignition, and combustion experiments to be performed. The apparatus was successfully utilized during microgravity experiments on board NASA research aircraft.
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