RW Fujimura’s scientific contributions

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Publications (1)

Application and regulation of potassium permanganate to detoxify rotenone in streams
  • Conference Paper
  • Full-text available

November 1995

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714 Reads

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1 Citation

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RW Fujimura

Potassium permanganate is a common oxidizer used to detoxify fish toxicants applied to flowing waters. Mixing and delivery systems for permanganate application were refined during 5 chemical treatments to recover threatened populations of Lahontan cutthroat trout, Oncorhynchus clarki henshawi . Permanganate concentration is monitored using a portable colorimeter, improving control over application rate. This method is rapid and suitable for field use. The application and limitations of this method are discussed, and field experiences are described.

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Citations (1)

... The CDFG has experimented successfully with maintaining a nontoxic 1 mg/L potassium permanganate concentration at the end of the 30minute neutralization zone with the aid of a calibrated field spectrophotometer. The results of the spectrophotometer were used to adjust the potassium permanganate flows accordingly (Parmenter and Fujimura 1994). ...

Reference:

Chemical Residues in Surface and Ground Waters Following Rotenone Application to California Lakes and Streams
Application and regulation of potassium permanganate to detoxify rotenone in streams

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RW Fujimura