Physical characterization of a helium-oxygen-acetylene flame supported on a water-cooled burner has shown the flame to possess a high degree of laminarlty and a maximum safe operating temperature of 2760 K (with 60% helium diluent).Safe operating conditions for the flame have been established to enable Its safe and flashback-free operation. In addition, the spectral background of the flame has been examined and found to be relatively low compared to other high temperature flames, suggesting its use as a promising alternative atom cell for atomic emission, absorption, or fluorescence spectrometry.

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