Enthalpy of VX Hydrolysis in Aqueous Sodium Hydroxide Solution at 90 degrees C

Abstract

The enthalpy, or heat of reaction, for the hydrolysis of munitions grade VX in aqueous sodium hydroxide at 90 degrees C was determined in a 2-L Mettler RC1 Reaction Calorimeter. Typically, VX with dicyclohexylcarbodiimide (DCCDI) as a stabilizer was added to the sodium hydroxide solution in the reactor at 11.35 g/min. The average normalized enthalpy for nine reactions was -139.6 kJ (SN-1 4.2)/mol VX. The overall heat transfer coefficient of the final reaction mass was 178.3 (W/(m2 degrees K)) SN-1 7.7, and the specific heat capacity was 3.6 (kJ/(kg K)) SN-1 0.2. The thermodynamic quantities were not significantly different than previous reported data.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 2004
Accession Number
ADA429202

Entities

People

  • Elaina H. Harrison
  • Philip W. Bartram
  • Robert S. Lindsay
  • Robin L. Matthews
  • Suzanne A. Procell

Organizations

  • Edgewood Chemical Biological Center

Tags

DTIC Thesaurus Topics

  • Anhydrides
  • Calorimeters
  • Chemical Warfare
  • Chemical Warfare Agents
  • Coefficients
  • Enthalpy
  • Heat Capacity
  • Heat Of Reaction
  • Heat Transfer
  • Heat Transfer Coefficients
  • Hydrolysis
  • Hydroxides
  • Operating Systems
  • Physical Properties
  • Sodium Hydroxide
  • Specific Heat
  • Thermodynamics

Fields of Study

  • Chemistry

Readers

  • Analytical Chemistry
  • Combustion science or combustion engineering.
  • Electrical Engineering