trimethylcetylammonium bromide in water Electrolysis; lead, stainless steel, nickel, iron, cadmium, copper, titanium cathodes;Pb anode; cation-exchange membrane; anolyte: aq. H2SO4; 0.14-1.02 M Na2 HAsO3; at 20-25°C; j=0.025-0.150 A/cm**2; optimal conditions: 0.75-0.9 M NaH2AsO3, 0.03-0.05 A/cm**2; AsH3 decompn. at 600-700°C; chem. anal.;

in water byproducts: H2O; Na2S2O3 in excess, boiling;

in sodium hydroxide byproducts: NaCl, H2O; with aq. NaOH;;