Environmental dynamics of phosphate esters. II. Uptake and bioaccumulation of 2-ethylhexyl diphenyl phosphate and diphenyl phosphate by fish

  • Muir D
  • Grift N
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Abstract

Uptake, clearance and disposition of14C-labelled 2-ethylhexyl diphenyl phosphate (EHDP) and14C-diphenyl phosphate (DPP) by rainbow trout (Salmo gairdneri) were investigated using short-term static exposures. Bioconcentration factors of 1314 and 0.3 were calculated for EHDP and DPP, respectively. Highest levels of radioactivity were found in liver and intestine following exposure to 60 μg/L EHDP. A portion (up to 40%) of the radioactivity in each tissue was in the form of DPP while a similar portion was extractable with methanol but could not be identified. © 1981.

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Authors

  • D. C.G. Muir

  • N. P. Grift

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