Automated analysis of nanomolar concentrations of phosphate in natural waters with liquid waveguide.

@article{Zhang2002AutomatedAO,
  title={Automated analysis of nanomolar concentrations of phosphate in natural waters with liquid waveguide.},
  author={Jia-Zhong Zhang and Jie Chi},
  journal={Environmental science & technology},
  year={2002},
  volume={36 5},
  pages={1048-53}
}
Concentrations of phosphate in natural waters are often below the detection limits of conventional nutrient autoanalyzers, by either gas-segmented continuous-flow analysis orflow injection analysis. A liquid waveguide capillary flow cell has been used to extend the sensitivity of a conventional autoanalyzer for the automated analysis of nanomolar concentrations of phosphate in natural waters. Total reflection of light can be achieved within the liquid core of the flow cell because the… CONTINUE READING

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