V. Jedinakovakrizova et P. Vanura, DETERMINATION OF CESIUM MICROAMOUNTS BY ISOTOPE-DILUTION WITH SUBSTOICHIOMETRIC SEPARATION, Journal of radioanalytical and nuclear chemistry, 208(1), 1996, pp. 99-109
Selectivity of isotope dilution analysis with substoichiometric separa
tion for caesium determination has been investigated. Caesium can be e
xtracted with a substoichiometric amounts of bis 1,2-dicarbollylcobalt
ate in nitrobenzene in the presence of dibenzo-18-crown-6. The method
is selective. other metal ions ( K+, Na+, Mg2+, Ca2+, Fe3+, Al3+) do n
ot interfere.