Abstract

Studies conducted in premixed oxygen-hydrogen, oxygen-acetylene, and nitrous oxide-acetylene flames utilizing a relatively small drop size aerosol generated with high frequency ultrasonic nebulization indicate that under the proper conditions emission signal enhancements observed with methanol can be attributed primarily to both increased rate of nebulization and the presence of additional reducing species. However, under the fuel-rich conditions commonly employed for analysis, solvent-supplied reducing species were found to be of primary significance only in the case of the premixed oxygen-hydrogen flame.

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