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Microcalorimetric Measurements of Hydrogen Peroxide StabilityRecent interest in propellants with nontoxic reaction products has led to a resurgence of interest in hydrogen peroxide for various propellant applications. Because hydrogen peroxide is sensitive to contaminants and materials interactions, stability and shelf life are issues. A relatively new, ultrasensitive heat measurement technique, isothermal microcalorimetry, is being used at the White Sands Test Facility to monitor the decomposition of hydrogen peroxide at near ambient temperatures. Isothermal microcalorimetry measures the beat flow from a reaction vessel into a surrounding heat sink. In these applications, microcalorimetry is approximately 1,000 times more sensitive than accelerating rate calorimetry or differential scanning calorimetry for measuring thermal events. Experimental procedures have been developed for the microcalorimetric measurement of the ultra-small beat effects caused by incompatible interactions of hydrogen peroxide. The decomposition rates of hydrogen peroxide at the picomole/sec/gram level have been measured showing the effects of stabilizers and peroxide concentration. Typical measurements are carried out at 40 C over a 24-hour period, This paper describes a method for the conversion of the heat flow measurements to chemical reaction rates based on thermochemical considerations. The reaction rates are used in a study of the effects of stabilizer levels on the decomposition of propellant grade hydrogen peroxide.
Document ID
20000094517
Acquisition Source
White Sands Test Facility
Document Type
Preprint (Draft being sent to journal)
Authors
Davis, Dennis D.
(Allied-Signal Technical Services Corp. Las Cruces, NM United States)
Hornung, Steven D.
(Allied-Signal Technical Services Corp. Las Cruces, NM United States)
Baker, Dave L.
(NASA White Sands Test Facility NM United States)
Date Acquired
August 19, 2013
Publication Date
January 1, 1999
Subject Category
Propellants And Fuels
Meeting Information
Meeting: Hydrogen Peroxide Propulsion
Location: West Lafayette, IN
Country: United States
Start Date: November 7, 1999
End Date: November 10, 1999
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
CONTRACT_GRANT: NAS9-99100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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