Substoichiometric extraction of metals and its application to the determination of heavy metals in environmental samples by neutron activation analysis

Solvent extraction as a technique for the separation of ionic solutes and the advantages and application of substoichiometric extraction in neutron activation analysis have been discussed. The application of this technique has been elucidated with reference to the determination of Zn, Cd and Hg in environmental samples. The decontamination factor, accuracy, precision, sensitivity and radiochemical purity of the separated fraction have been discussed.