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The Chemical Educator
ISSN: 1430-4171 (electronic version)
Abstract Volume 21
(2016) pp 202-203
Turning Waste Silver Chloride into Silver Nanoparticles
Ben Meynaerts, Mathias Jacobs, Natalie Chiaverini and Tom Mortier*
Faculty of Management and Technology, University Colleges Leuven-Limburg, Herestraat 49, 3000 Leuven, Belgium, tom.mortier@ucll.be
Received March 15, 2016. Accepted September 27, 2016.
Published: 14 October 2016
Abstract. Silver chloride is generally seen as a waste product in school chemistry labs. In this article we describe the use of waste silver chloride as a starting product to synthesize stabilized silver nanoparticles. Waste silver chloride was first dissolved using ammonia into diamminesilver(I) ions and subsequently reduced with sodium borohydride using citrate as a stabilizer. The appearance of stable silver colloids can be demonstrated using the Faraday-Tyndall effect and the plasmon resonance can be visualized with UV/Vis spectroscopy.
Key Words: Laboratories and Demonstrations; inorganic chemistry; nanotechnology, silver colloids, UV/Vis spectroscopy
(*) Corresponding author. (E-mail: tom.mortier@ucll.be)
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