MASS SPECTRAL STUDIES BEHIND SHOCK WAVES. 2. THE THERMAL DECOMPOSITION OF HYDRAZINE

Abstract

The decomposition of hydrazine, diluted in Ar, has been studied over the temperature range 1200 to 2500 K. and pressure range 0.04 to 0.25 atm using a shock tube coupled to a time-offlight mass spectrometer. The time resolved mass spectra (25 microseconds) enable the simultaneous identification and determination of N2H4, NH3, N2, H2 and the NH2 radical, the five major species observed. The material balance is within the experimental error (10%) during reaction up to complete decomposition. The primary process in the dissociation of hydrazine is shown to be the rupture of the N-N bond to give NH2 radicals. The observed rate constants for the disappearance of hydrazine are those expected of a unimolecular reaction at or near the second order region where collisional activation is rate controlling.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1963
Accession Number
AD0414909

Entities

People

  • R. W. Diesen

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Chemical Reaction Properties
  • Chemical Reactions
  • Combustion
  • Decomposition
  • Dissociation
  • Energy
  • Exothermic Reactions
  • Government Procurement
  • Heat Of Activation
  • High Temperature
  • Ionization
  • Mass Spectrometers
  • Materials
  • Measurement
  • Partial Pressure
  • Shock Tubes
  • Shock Waves

Readers

  • Combustion science or combustion engineering.