Neutral persulfate digestion at sub-boiling temperature in an oven for total dissolved phosphorus determination in natural waters.

@article{Huang2009NeutralPD,
  title={Neutral persulfate digestion at sub-boiling temperature in an oven for total dissolved phosphorus determination in natural waters.},
  author={Xiao-Lan Huang and Jia-zhong Zhang},
  journal={Talanta},
  year={2009},
  volume={78 3},
  pages={1129-35}
}
A simplified, easily performed persulfate digestion method has been developed to process a large number of water samples for routine determination of total dissolved phosphorus. A neutral potassium persulfate solution (5%, w/v, pH approximately 6.5) is added to the samples (at 10 mg potassium persulfate per mL of sample), which are then digested at 90 degrees C in an oven for 16 h. This method does not require pH adjustment after digestion because neither an acid nor a base is added to the… CONTINUE READING

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