Volumetric properties of corrosive gases

Abstract

Part I: The volumetric behavior of nitrogen dioxide was determined experimentally at temperatures between 100 and 340?F for pressures up to 2000 pounds per square inch. The two-phase data are compared with the results obtained by other investigators. The measurements were made in a stainless steel cell of essentially constant volume, and the experimental apparatus is described. Part II: The volumetric behavior of nitric oxide was determined experimentally at temperatures between 40 and 220?F for pressures up to 2500 pounds per square inch. The measurements were made in a variable volume container of chrome-nickel stainless steel with mercury as the confining fluid. Reaction between the mercury and the nitric oxide was experienced at temperatures of 280?F and above. Part III: The volumetric behavior of six mixtures in the binary system nitric oxide - nitrogen dioxide was determined in an essentially constant volume apparatus over a temperature range from 10 to 340?F. The composition range was from 0 to 20 weight percent of nitric oxide, and the maximum pressure obtained was approximately 600 pounds per square inch. Part IV. The volumetric behavior of four mixtures in the binary system hydrogen sulfide - water was determined in an essentially constant volume apparatus over a temperature range from 10 to 340?F. Part V: Thermodynamic properties of nitric oxide were calculated from the data presented in Part II of this thesis. Values of entropy, enthalpy, and of the ratio of fugacity to pressure are presented at temperatures of 40, 100, 160, and 220?F for pressures up to 2500 pounds per square inch. Part VI: Thermodynamic properties of nitrogen dioxide were calculated from the data presented in Part I of this thesis. Values of entropy, enthalpy, and of the ratio of fugacity to pressure are presented for the equilibrium material, the molecular weight of which is taken as that of nitrogen dioxide, at temperatures between 160 and 340?F for pressures up to 1000 pounds per square inch.