in water byproducts: NOCl, Cl2, H2O; dried in air with gradual heating up to 140°C; ground; dried to const. wt. at 100°C over P2O5;

in not given metathesis;;

in water addn. of RbF to continuously stirred ZrO(NO3)2*2H2O soln. (5 wtpercent ZrO2 ininitial soln.) at room temp. with molar ratio RbF/Zr additive = 2, drop ping of concd. H3PO4 with molar ratio PO4(3-)/Zr = 1; pptn. for 7 to 45 days, filtration, washing with H2O and EtOH, drying inair;

in not given Addn. of K-compd. to soln. contg. Rb- and Pb-nitrates.; Immediate formation of cherry-red ppt., which is thoroughly compressed to remove mother-liquor and after decompn. (by heating in presence of concd. acids) is analysed for Rb(1+), Pb(2+), and Fe(3+). X-ray diffraction, elem. and thermal anal.;

in melt melting of equiv. amts. of As2O3 and RbNO3; solving in water;; evapn. of the soln.;;

in water equiv. amts. of educts used, cooling from 60°C to 0°C, drying over H2SO4;

in ethanol; water High Pressure; stirred with 0.5 M soln. of RbNO3 in EtOH/H2O (4:1) at 90°C for 4d in sealed fused-silica tube; XRD;

in neat (no solvent) byproducts: HNO3l, H2O, N2O5; subsequent heating in air in the range 293-1023 K (molar ratio CaH2P2O7:MNO3=1:2); thermal anal., thin-layer chromy., X-ray difraction anal.,;