Accession Number : AD0642721

Title :   CHEMILUMINESCENCE OF THE SODIUM OR SODIUM HALIDE CATALYZED OXIDATION OF CARBON MONOXIDE BY NITROUS OXIDE.

Descriptive Note : Technical note.

Corporate Author : BALLISTIC RESEARCH LABS ABERDEEN PROVING GROUND MD

Report Date : JUL 1950

Pagination or Media Count : 12

Abstract : At 550 - 600C in reaction vessels coated with sodium chloride or bromide and possessing temperature inequalities, the slow reaction of carbon monoxide and nitrous oxide is catalyzed by the alkali halide with simultaneous emission of the sodium resonance lines. The catalytic and luminescent reactions postulated are: Na + N2O to NaO + N2; NaO + CO to CO2 + Na* (Doublet-P); Na* to Na + photon. The formation of sodium atoms from sodium chloride or bromide probably occurs as NaX + O + CO to CO2 + NaX* to CO2 + Na + X; although this is less certain than is the subsequent course of the catalysis. The slow nitrous oxide, carbon monoxide reaction does not excite the metal lines in potassium chloride or sodium iodide coated vessels (potassium vapor does not undergo the analogous chemiluminescent catalytic cycle, and iodine is a reaction poison). It does, however, briefly excite the red lithium line in a lithium chloride coated vessel. (Author)

Descriptors :   (*CARBON MONOXIDE, *CHEMILUMINESCENCE), (*NITROGEN COMPOUNDS, CHEMILUMINESCENCE), OXIDES, EMISSIVITY, CATALYSIS, CATALYSTS, SODIUM, SODIUM COMPOUNDS, CHLORIDES, BROMIDES, LINE SPECTRA, COMBUSTION PRODUCTS, EXHAUST FLAMES

Subject Categories : Inorganic Chemistry
      Radiation and Nuclear Chemistry
      Combustion and Ignition

Distribution Statement : APPROVED FOR PUBLIC RELEASE