title: Neutron activation analysis by standard addition and solvent extraction Determination of impurities in thorium and iron.
abstract: The neutron activation analysis of trace impurities in thorium nitrate and in iron is facilitated by solvent extraction procedures prior to counting.
authors.affiliation: Nuclear Chemistry Department Analytical Division Atomic Energy Establishment Cairo, U.A.R.
authors.forename: A
authors.initials: A
authors.lastname: Alian
authors.forename: R
authors.initials: R
authors.lastname: Shabana