Process to make gold nanoparticles (Colloidal Gold) is demonstrated using .999 fine gold wire, ordinary table salt, and sodium citrate. . The process shown took 1.5 hours total and produced 500 ml of an estimated 30ppm CG. The power supply is rated at 30 volts at up to 1 ampere. Sodium Citrate is a common food additive. More info at http://www.cgcsforum.com
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