Досліджено синтез наночастинок срібла (AgNPs) магнієвим скрапом у розчинах натрію поліакрилату соногальванічним та гальванічним заміщенням. Встановлено, що впродовж цих процесів у розчинах NaPA срібло практично не осідає на магнієвій поверхні. Натрію поліакрилат забезпечує стабілізацію AgNPs з утворенням розчинів жовтого забарвлення з максимумом поглинання ~415 нм. Показано, що синтез AgNPs соногальванічним заміщенням відбувається внаслідок одночасного перебігу гальванічного заміщення магнієм і відновлення Ag(I) за допомогою радикалів і відновників. Швидкість синтезу AgNPs соногальванічним заміщенням є на 20–30 % більшою порівняно з гальванічним заміщенням за механічного перемішування.
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