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W artykule przedstawiono wyniki badań nad syntezą nanocząstek złota w roztworach wodnych, w układzie mikroreaktora przepływowego. Do syntezy zastosowano metodę redukcji. Prekursorem cząstek złota był kwas tetrachlorozłotowy (HAuCl4), a reduktorem hydrazyna (N2H4). Doświadczalnie określono wpływ takich czynników, jak stężenie początkowe reduktora, temperatura oraz stężenie stabilizatora (PVP) na kinetykę...
The formation of clusters CH2(COO−)(COOAg3+) (absorption bands at 280 and 460 nm) by the reduction of silver ions in the presence of malonate ions in an aqueous solution was studied by pulse radiolysis. The disappearance of the clusters affords colloidal silver. The mechanism of silver nucleation was discussed, and the rate constants of some reactions were determined.
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