Abstract

The results of a series of experiments are reported in which a number of selected buffer compounds were mixed with a synthetic sample containing elements of a wide range of volatilities. The mixtures were burned in a dc arc and measurements were taken of the anode temperature, arc temperature, and spectrum line intensities throughout the life time of the burn. From these results conclusions are drawn regarding the effect of the buffer cation and buffer anion on the arc and anode temperature, vaporization rates, and arc wandering. Some general rules for the selection of buffer compounds are suggested.

Effect of Alkali and Alkaline Earth Chlorides on the Anode Temperature of the dc Arc*

Bert L. Vallee and Ralph E. Thiers
J. Opt. Soc. Am. 46(2) 83-86 (1956)

The Influence of Extraneous Elements on Line Intensity. IV. Extraneous Element Effects in the Direct-Current Arc*

Wallace R. Brode and Donald L. Timma
J. Opt. Soc. Am. 39(6) 478-481 (1949)

The Effects of Argon and Argon-Helium Mixtures on the Direct Current Arc*†

Bert L. Vallee and S. James Adelstein
J. Opt. Soc. Am. 42(5) 295-299 (1952)

The Influence of Extraneous Elements on Line IntensityIII. The Effect of Anions*

Wallace R. Brode and Edwin S. Hodge
J. Opt. Soc. Am. 31(1) 58-63 (1941)

The Measurement of Spectral Intensities in the Direct Current Arc*

Robert R. Hampton and H. N. Campbell
J. Opt. Soc. Am. 34(1) 12-20 (1944)