Christo Balarew, Stoyanka Trendafilova 1 1 1.07e+01 Mass concentration (m/v) (1) 3 1.07 mg/L 1 Solubility, Solubility data series The initial nitrate was doped with $\ce{^{228}_{92}T}$h, in such a way to obtain $\pu{~10 \mu Ci/g}$ activity. The $\ce{Th(CHO2)4.3H2O}$ obtained from this nitrate was put in the contact with different organic solvents in saturated solutions. One mL of each solution was measured for radioactivity for a definite time. One $\pu{g/L}$ $\ce{Th(CHO2)4.3H2O}$ was used as standard solution giving $\pu{0.01 \mu Ci/mL}$. The International Union of Pure and Applied Chemistry Claudel, B.; Mentzen, B.; Bull. Soc. Chim. Fr. 5, 1547-1552 (1966). paper 562-99-2 1 Th(CHO2)4 InChI=1S/4CH2O2.Th/c4*2-1-3;/h4*1H,(H,2,3);/q;;;;+4/p-4 MDQFSGFTQORWFS-UHFFFAOYSA-J 0.0 Thorium(IV) formate Thorium formate trihydrate was prepared from a dilute solution of formic acid (40%) and $\ce{Th(OH)4}$. 75-21-8 2 InChI=1S/C2H4O/c1-2-3-1/h1-2H2 IAYPIBMASNFSPL-UHFFFAOYSA-N 44.05 Ethylene oxide Thorium(IV) formate with Ethylene oxide