Table 1.
sample | precursor | reducing agent | stabilizing agent | reaction conditions |
---|---|---|---|---|
S0 | cobalt acetate (48 mM, 25 ml) | hydrazine hydrate (0.4 ml), ethylene glycol (25 ml), added dropwise | PVP (0.25 mM, 50 ml) | heated up to 195°C under refluxing conditions with constant stirring (100 r.p.m.) |
S1 | silver acetate (0.01 g) added to S0 | — | — | mixed by stirring (100 r.p.m.) at room temperature |
S2 | silver acetate (0.1 g) added to S0 | — | — | mixed by stirring (100 r.p.m.) at room temperature |
S3 | silver acetate (0.2 g) added to S0 | — | — | mixed by stirring (100 r.p.m.) at room temperature |