DETERMINATION OF INORGANIC SELENIUM SPECIES BY NEUTRON-ACTIVATION ANALYSIS IN AQUATIC SPECIES AFTER PRECONCENTRATION WITH AMMONIUM PYRROLIDINECARBODITHIONATE
Am. Yusof et al., DETERMINATION OF INORGANIC SELENIUM SPECIES BY NEUTRON-ACTIVATION ANALYSIS IN AQUATIC SPECIES AFTER PRECONCENTRATION WITH AMMONIUM PYRROLIDINECARBODITHIONATE, Journal of radioanalytical and nuclear chemistry, 216(1), 1997, pp. 59-63
Inorganic selenium species were determined in several parts of a fresh
water fish of the species Tilapia nilotica found breeding in disused t
in-mining pools. The inorganic selenium species in the monazite-rich o
res can enter the human food chain through the consumption of the fish
. The Se(IV) and Se(VI) species were preconcentrated by solvent extrac
tion with APCDT-CHCl3 before irradiation in a TRIGA Mk.II reactor. Tot
al inorganic selenium species separation was done using Chelex-100 che
lating resin. Quantitative interpretations of the distribution of inor
ganic selenium species in the fish are discussed with particular refer
ence to the Se(IV)/Se(VI) ratio.