in ethanol Electrolysis; 20g LaCl3*H2O in 100ml ethanol, Hg cathode, 20V, current density 0.02A/cm**2, 30h, formation of an amalgame with 2.5-3 wt.-percent La, washing with ethanol and ether, generation of La by decompn.;;

in neat (no solvent) dehydration process at 210-270°C; DTA/TG;