Abstract
Crayfishes exposed to 14C-naphthalene-5% of an aqueous fraction of crude oil in open non-aerated glass jars for 4 h at 25 0C showed no significant differences (P > 0.25) in the amount of naphthalene uptake. Different parts of the crayfishes were quantified for naphthalene uptake and cephalothorax containing hepatopancreas (a food absorption organ) was found to have greater uptake than the tail flesh or tail skeleton. Release of the oil from the crayfishes that were exposed for 1, 2, 3 or 4 h and later placed in open non-aerated jars containing oil-free water showed greater loss of most of the 14C activity during the first 24 h, there was little losses at 48, 72 and 96 h. There was significant volatilization (P (Received May 2, 2001; revised October 19, 2001) Bull.Chem.Soc.Ethiop. 2001, 15(2), 167-172
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