sodium bis(2-ethylhexyl)-sulfosuccinate; hydrazine; lauryl mercaptan in 2,2,4-trimethylpentane; water Sonication; soln. of 0.1 M Na bis(2-ethylhexyl)sulfosuccinate (Na(AOT)) in isooctane/N2H4 (stirred for 20 min) mixed with soln. of 0.1 M Ag(AOT)/Na(AOT) in isooctane/H2O, soln. diluted 100 times in Na(AOT) soln., ultrasonicated for 10 min, dodecanethiol added, 2 h; centrifuged, soln. removed, dispersed (0.1 M Na(AOT) in isooctane);