Abstract
Previously known biogenic stimulator humic acid (HA) was subjected in this study, and HA-based new preparation was developed by addition of silver (Ag) nanoparticles in its macromolecule. Extracted HA from healing mud was characterized and used as reducing agent for Ag ion as well as a stabilizer for Ag nanoparticles formed. Ethanol was utilized to precipitate the resultant product due to the stabilizer's (i.e., HA) analytical character and also to facilitate the reduction of Ag+ to Ag0. The properties of the obtained hybrid composite were examined by XRD, UV, and FTIR spectroscopic techniques. The diameter of the nanoparticles in the HA polymer was up to 8.6 nm, and they were identified to be zero-valent Ag.
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Alexandrova, G. P., Dolmaab, G., Tserenpil, S., Grishenko, L. A., Sukhov, B. G., Regdel, D., & Trofimov, B. A. (2013). A new humic acid preparation with addition of silver nanoparticles. In Functions of Natural Organic Matter in Changing Environment (Vol. 9789400756342, pp. 783–788). Springer Netherlands. https://doi.org/10.1007/978-94-007-5634-2_142
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