Long pathlength absorbance spectroscopy: trace analysis of Fe(II) using a 4.5m liquid core waveguide

@inproceedings{Waterbury1997LongPA,
  title={Long pathlength absorbance spectroscopy: trace analysis of Fe(II) using a 4.5m liquid core waveguide},
  author={Robert D. Waterbury and Wensheng Yao and Robert H. Byrne},
  year={1997}
}
Abstract A Liquid Core Waveguide (LCW) can be used to extend the sensitivity of conventional absorbance spectroscopy by two or more orders of magnitude. Analysis of dissolved iron concentrations with a 4.47 m pathlength LCW made of Teflon AF-2400 provides a 0.2 nmol dm −3 detection limit and a linear response between 0.5 and 10 nmol dm −3 . No preconcentration is required in this analysis. The analytical procedures employed in long pathlength absorbance spectroscopy are amenable to… CONTINUE READING

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