potassium hydroxide; sodium acetate in water Kinetics; aq. BiOClO4 at pH 3-5.5 (adjusted by AcONA) and H2O2 at pH 5-9 (adjustedby KOH) were mixed and deposited on the silica surface; water as washing liquid;

tetraethylammonium chloride in acetic anhydride precipitation from a solution of BiOClO4 in acetic anhydride;;

sodium tetrahydroborate in 2,2,4-trimethylpentane; water (Ar); aq. soln. of BiOClO4 dissolved in soln. of sodium salt dioctyl sulfosuccinate (AOT) in isooctane; soln. of NaBH4 prepared at identical (H2O/AOT) value, stirring (on the order of hours) mixt. of two solns. at room temp.; pptn. at room temp.;

in perchloric acid addition of iodide to a solution of BiOClO4 in diluted HClO4 solution; formation of a mixture of BiI3 and BiOI (precipitation) and of BiI4(1-);; content of iodides depending on Bi : HClO4 ratio; X- ray spectroscopic determination;;

in perchloric acid addition of iodide to a solution of BiOClO4 in diluted HClO4 solution; formation of a mixture of BiI3 and BiOI (precipitation) and of BiI4(1-);; content of iodides depending on Bi : HClO4 ratio; X- ray spectroscopic determination;;

in neat (no solvent) heating BiOClO4 at 210°C;;