Dokl. Akad. Nauk SSSR, 1963 Volume 152, Number 5,Pages 1115–1117(Mi dan28694)
CHEMISTRY
The extraction system $\mathrm{Th}(\mathrm{NO}_3)_4$ – $\mathrm{HNO}_3$ – $\mathrm{H}_2\mathrm{O}$ –
$(\mathrm{C}_4\mathrm{H}_9\mathrm{O})_3\mathrm{PO}$ investigated at $25^\circ$ C by means
of extraction rays