In most cases, industrial production of metallic nanoparticles involves chemical reduction in liquid solutions, which requires the design of product - specific solutions. (sciencedaily.com)
«But a simple chemical reduction of sulphur - complexed gold in water to elementary metal on an organic material is sufficient for a chemical «gilding» of the bottom of the shallow lakes.» (sciencedaily.com)
It keeps microorganisms flourishing and assists chemical reduction. (newscientist.com)