Abstract
It was found that certain effects occasioned by the ionization of rubidium atoms in the absorption flame-photometric determination of rubidium can be eliminated through appropriate choice of the portion of the flame used for photometry. The distortion of D-C curves and the effect of extraneous alkali metals can be excluded by photometrizing the zone adjacent to the inner cone. The effect of hydrochloric acid can be excluded by using the zone lying 4–8 mm above the inner cone.
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References
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Meshkova, S.B., Poluektov, N.S. Excluding the effects of extraneous materials in the de termination of rubidium by absorption flame photometry. J Appl Spectrosc 5, 309–311 (1966). https://doi.org/10.1007/BF01132702
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DOI: https://doi.org/10.1007/BF01132702