Chemical and ionization interferences in the atomic absorption spectrophotometric measurement of sodium, potassium, rubidium, and cesium.

@article{Sanui1968ChemicalAI,
  title={Chemical and ionization interferences in the atomic absorption spectrophotometric measurement of sodium, potassium, rubidium, and cesium.},
  author={H. Sanui and N. Pace},
  journal={Analytical biochemistry},
  year={1968},
  volume={25 1},
  pages={
          330-46
        }
}
Abstract Although chemical and ionization interferences significantly affect the atomic absorption signal of the alkali metals, suitable corrective measures permit accurate analysis of these elements. The observed interferences are affccted in opposite ways by flame temperature, chemical depression of absorption produced by anions decreasing, and ionization enhancement produced by cations increasing with increasing flame temperature. Anionic depression is small in an acetylene-air flame and… Expand
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