Pure AgNPs were synthesized through a microwave (MW) irradiation-assisted heating reaction using an Ethos EZ® Digestion System microwave (Milestone, Inc.; Shelton, CT, USA) as described before.19 (link),20 Briefly, 1.7 g of AgNO3 were dissolved in 10 ml of distilled water (DI) and treated by MW irradiation. The AgNO3 solution was continuously irradiated for 15 seconds at 1000 W. After MW-irradiation, samples were cooled down at room temperature. The final concentration of the colloidal solution after MW-irradiation was determined using a double-beam atomic absorption spectrophotometer (AA-6200, Shimadzu Corporation, Kyoto, Japan) in ppm. Zeta potential (ZP) was measured using the Zetasizer Nano ZS (Malvern Instruments Ltd, Malvern, Worcestershire, UK). High-resolution Transmission Electron Microscope (TEM) analysis (JEM-2010, Jeol Ltd., Tokyo, Japan) was used to obtain images of the AgNPs.
Ethos ez digestion system microwave
Manufactured by Milestone
Sourced in United States
The Ethos EZ® Digestion System is a microwave-based laboratory equipment designed for the rapid and efficient digestion of samples. It utilizes microwave technology to facilitate the dissolution and preparation of various materials for further analysis.
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2 protocols using ethos ez digestion system microwave
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Microwave-assisted Synthesis of Silver Nanoparticles
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Microwave-Assisted Synthesis of Silver Nanoparticles
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AgNPs were synthesized by microwave (MW) using an Ethos EZ Digestion System Microwave (Milestone, 2.5 GHz, sensor ATC400) [46 (link)]. Three samples were prepared in glass flasks by weighing the necessary amount of AgNO3 (99.99% purity, Sigma-Aldrich, St. Louis, MO, USA). The powder was dissolved in 15 mL of distilled water, affording concentrations of 0.055, 0.167, and 0.500 M. After that, each flask solution was introduced in the MW and irradiated for 10 s at 1000 W. AgNPs were characterized by a High-Resolution Transmission Electron Microscopy (HRTEM) analyses 2010-F JEOL (JEOL Inc., Tokyo, Japan) with a field emission gun operating at 200 kV. Ten images were analyzed, and the average and standard deviation were calculated for each concentration [47 (link)].
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